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Transcript
Algebra II Final Exam Review
Solve the equation. Check for extraneous solutions.
1.
2.
Solve the inequality. Graph the solution.
3.
4.
5.
6. Find the domain and range of the function
.
7. Find the domain and range of the function
.
8. Find the domain and range of the function
.
What is the graph of the absolute value equation?
9.
10.
11.
____ 12. Which of the following describes the translation of
to
?
A.
translated 2 units to the right and 7 C.
translated 7 units to the right and 7
units up
units down
B.
translated 7 units to the left and 2 D.
translated 2 units to the left and 7
units down
units down
____ 13. Explain how the function
relates to the parent function
A. The graph of
is compressed
horizontally to produce the graph of
B.
The graph of
is shifted to the left
unit to produce the graph of
.
.
graphically.
C. The graph of
is stretched horizontally
to produce the graph of
.
D.
The graph of
is shifted up unit to
produce the graph of
.
Compare each function with the parent function. Without graphing, what are the vertex, axis of
symmetry, and transformations of the parent function?
14.
15.
16.
What is the equation of the absolute value function?
____ 17.
12
y
8
4
–10 –8 –6 –4 –2
–4
2
x
–8
–12
–16
A. y =
B. y =
C. y =
D. y =
____ 18.
12
y
8
4
–10 –8 –6 –4 –2
–4
2
x
–8
–12
–16
A. y =
B. y =
____ 19.
C. y =
D. y =
12
y
8
4
–10 –8 –6 –4 –2
–4
2
x
–8
–12
–16
A. y =
B. y =
C. y =
D. y =
What are the solutions of the following systems?
20.
21.
Solve the system of inequalities by graphing.
22.
23.
24.
What is the solution of the system of equations?
25.
26.
27.
28. A food store makes a 11-lb mixture of pecans, pistachios, and dried bananas. The cost of pecans is $1.50 per
pound, pistachios cost $1.00 per pound, and dried bananas cost $1.00 per pound. The mixture calls for twice
as many pecans as pistachios. The total cost of the mixture is $14.00. How much of each ingredient did the
store use?
____ 29. What is element
in matrix A?
A=
A. –9
B. 0
____ 30. What is element
C. –8
D. 9
in matrix A?
A=
A. 2
B. 8
C. –6
D. 9
How can you represent the system of equations with a matrix?
____ 31.
A.
C.
B.
D.
A.
C.
B.
D.
A.
C.
B.
D.
____ 32.
____ 33.
34.
Write the system
as a matrix equation.
35.
Write the system
as a matrix equation.
Write the system
as a matrix equation.
36.
Solve the system.
37.
38.
39.
40. What are the focus and directrix of the parabola with equation
41. Identify the focus and the directrix of the graph of
42. Identify the focus and the directrix of the graph of
____ 43. What is an equation of a parabola with focus
?
.
.
and directrix
A.
C.
B.
D.
What is an equation of a parabola with the given vertex and focus?
44. vertex:
; focus:
.
45. vertex:
; focus:
46. vertex:
; focus:
What are the solutions of the quadratic equation?
47.
=0
48.
=0
49.
=0
What value completes the square for the expression?
50.
51.
Solve the quadratic equation by completing the square.
52.
53.
Rewrite the equation in vertex form. Name the vertex and y-intercept.
54.
Use the Quadratic Formula to solve the equation.
55.
56.
57.
What is the number of real solutions?
____ 58.
A. cannot be determined
B. two solutions
C. one solution
D. no real solutions
A. cannot be determined
B. one solution
C. no real solutions
D. two solutions
____ 59.
____ 60.
A. two solutions
B. no real solutions
61. Identify the graph of
C. one solution
D. cannot be determined
.
62. Identify the graph of
.
What is the absolute value of each number?
63.
.
64.
65.
.
.
Simplify the expression.
66.
67.
68.
69. Find the solutions of the equation.
70. Find the solutions of the equation.
71. Find the solutions of the equation.
Use graphing to find the solutions to the system of equations.
72.
73.
What is the solution of the linear-quadratic system of equations?
74.
75.
76.
77. How can you find the inverse of a function algebraically?
____ 78. Consider the function
with the domain
, and its inverse,
. Graph
.
A.
C.
y
–4
4
4
2
2
–2
2
4
–4
–4
D.
4
2
2
2
4
.
81.
.
–4
–2
–2
–2
–4
–4
What is the inverse of the given relation?
80.
x
2
4
x
2
4
x
y
4
–2
.
–2
–2
y
79.
–4
x
–2
B.
–4
y
and
82. Graph
and its inverse.
83. Graph
and its inverse.
____ 84. Are
with domain
A. Yes because
and
inverse functions? Explain.
. C. No because
and
and
.
B. Yes because
D.
and
No because
.
and
____ 85. Are
with domain
A. Yes because
.
and
inverse functions? Explain.
. C. No because
and
and
.
B. Yes because
D.
and
No because
.
and
.
____ 86. Graph the square root function. Give the domain and range using inequalities.
y
A.
–4
y
C.
4
4
2
2
–2
2
4
–4
x
2
–2
–2
–4
–4
domain:
range:
–2
4
x
domain:
range:
y
B.
–4
y
D.
4
4
2
2
–2
2
4
–4
x
–2
–4
–4
range:
compare to its parent function?
88.
89.
90.
____ 91. What is the domain and range of
. The range is
. The range is
. The range is
. The range is
92.
93.
What is the solution of the equation?
94.
95.
96.
Solve the equation. Check your solution.
97.
98.
99.
?
.
.
.
.
4
x
domain:
range:
87. How does the graph of
The domain is
The domain is
The domain is
The domain is
2
–2
domain:
A.
B.
C.
D.
–2
100.
Algebra II Final Exam Review
Answer Section
1. ANS:
x = 6 or x =
PTS:
OBJ:
STA:
KEY:
2. ANS:
3
10
1
DIF: L3
REF: 2-1 Absolute Value Equations
2-1.1 To write and solve equations involving absolute value
(6)(D)| (6)(E)
TOP: 2-1 Problem 3 Checking for Extraneous Solutions
absolute value | extraneous solution
x = 2 or x =
2
21
PTS: 1
DIF: L3
REF: 2-1 Absolute Value Equations
OBJ: 2-1.1 To write and solve equations involving absolute value
STA: (6)(D)| (6)(E)
TOP: 2-1 Problem 3 Checking for Extraneous Solutions
KEY: absolute value | extraneous solution
3. ANS:
–10 x 0
–20 –15 –10 –5
PTS:
OBJ:
STA:
KEY:
4. ANS:
–8 x
0
5 10 15 20
1
DIF: L3
REF: 2-2 Solving Absolute Value Inequalities
2-2.1 To write and solve inequalities involving absolute value
(6)(F)
TOP: 2-2 Problem 1 Solving the Absolute Value Inequality absolute value of A < b
absolute value
4
–20 –15 –10 –5
0
5 10 15 20
PTS: 1
DIF: L3
REF: 2-2 Solving Absolute Value Inequalities
OBJ: 2-2.1 To write and solve inequalities involving absolute value
STA: (6)(F)
TOP: 2-2 Problem 1 Solving the Absolute Value Inequality absolute value of A < b
KEY: absolute value
5. ANS:
2 1 < x < 15
28
28
–6
PTS:
OBJ:
STA:
KEY:
6. ANS:
–4
–2
0
2
4
6
1
DIF: L4
REF: 2-2 Solving Absolute Value Inequalities
2-2.1 To write and solve inequalities involving absolute value
(6)(F)
TOP: 2-2 Problem 1 Solving the Absolute Value Inequality absolute value of A < b
absolute value
The domain is
and the range is
.
PTS: 1
DIF: L3
REF: 2-3 Attributes of Absolute Value Functions
OBJ: 2-3.3 To graph and analyze key attributes of absolute value functions
STA: (2)(A)| (7)(I) TOP: 2-3 Problem 1 Domain, Range, and Intercepts of Absolute Value Functions
KEY: parent absolute value function
7. ANS:
The domain is
and the range is
.
PTS: 1
DIF: L3
REF: 2-3 Attributes of Absolute Value Functions
OBJ: 2-3.3 To graph and analyze key attributes of absolute value functions
STA: (2)(A)| (7)(I) TOP: 2-3 Problem 1 Domain, Range, and Intercepts of Absolute Value Functions
KEY: parent absolute value function
8. ANS:
The domain is
and the range is
.
PTS:
OBJ:
STA:
KEY:
9. ANS:
1
DIF: L3
REF: 2-3 Attributes of Absolute Value Functions
2-3.3 To graph and analyze key attributes of absolute value functions
(2)(A)| (7)(I) TOP: 2-3 Problem 1 Domain, Range, and Intercepts of Absolute Value Functions
parent absolute value function
y
16
12
8
4
–8
–4
O
4
8
x
–4
PTS:
OBJ:
TOP:
KEY:
10. ANS:
1
DIF: L2
REF: 2-4 Transformations of Absolute Value Functions
2-4.1 To graph absolute value functions
STA: (2)(A)| (6)(C)
2-4 Problem 2 Analyzing the Graph of f(x - c) When f(x) = absolute value of x
transformation | translation | compression
y
16
12
8
4
–8
–4
O
4
8
x
–4
PTS:
OBJ:
TOP:
KEY:
11. ANS:
1
DIF: L2
REF: 2-4 Transformations of Absolute Value Functions
2-4.1 To graph absolute value functions
STA: (2)(A)| (6)(C)
2-4 Problem 2 Analyzing the Graph of f(x - c) When f(x) = absolute value of x
transformation | translation | compression
y
16
12
8
4
–8
–4
O
4
8
x
–4
PTS:
OBJ:
TOP:
KEY:
12. ANS:
REF:
OBJ:
TOP:
KEY:
13. ANS:
REF:
OBJ:
TOP:
KEY:
14. ANS:
1
DIF: L2
REF: 2-4 Transformations of Absolute Value Functions
2-4.1 To graph absolute value functions
STA: (2)(A)| (6)(C)
2-4 Problem 2 Analyzing the Graph of f(x - c) When f(x) = absolute value of x
transformation | translation | compression
B
PTS: 1
DIF: L3
2-4 Transformations of Absolute Value Functions
2-4.1 To graph absolute value functions
STA: (2)(A)| (6)(C)
2-4 Problem 2 Analyzing the Graph of f(x - c) When f(x) = absolute value of x
transformation | translation
C
PTS: 1
DIF: L3
2-4 Transformations of Absolute Value Functions
2-4.1 To graph absolute value functions
STA: (2)(A)| (6)(C)
2-4 Problem 4 Analyzing the Graph of f(bx) When f(x) = absolute value of x
transformation | translation
6
6
( , 6); x = ;
7
7
translated to the left
6
units, up 6 units, and reflected in the y-axis.
7
PTS: 1
DIF: L3
REF: 2-4 Transformations of Absolute Value Functions
OBJ: 2-4.1 To graph absolute value functions
STA: (2)(A)| (6)(C)
TOP: 2-4 Problem 5 Identifying Transformations
KEY: transformation | translation | compression
15. ANS:
5
5
( , 7); x = ;
2
2
5
translated to the left units, up 7 units, and reflected in the y-axis.
2
PTS: 1
DIF: L3
REF: 2-4 Transformations of Absolute Value Functions
OBJ: 2-4.1 To graph absolute value functions
STA: (2)(A)| (6)(C)
TOP: 2-4 Problem 5 Identifying Transformations
KEY: transformation | translation | compression
16. ANS:
(2, 4); x = 2;
translated to the left 2 units, up 4 units, and reflected in the y-axis.
17.
18.
19.
20.
PTS: 1
DIF: L3
REF: 2-4 Transformations of Absolute Value Functions
OBJ: 2-4.1 To graph absolute value functions
STA: (2)(A)| (6)(C)
TOP: 2-4 Problem 5 Identifying Transformations
KEY: transformation | translation | compression
ANS: C
PTS: 1
DIF: L3
REF: 2-4 Transformations of Absolute Value Functions
OBJ: 2-4.1 To graph absolute value functions
STA: (2)(A)| (6)(C)
TOP: 2-4 Problem 6 Writing an Absolute Value Function
KEY: transformation | translation | stretch | reflection
ANS: D
PTS: 1
DIF: L3
REF: 2-4 Transformations of Absolute Value Functions
OBJ: 2-4.1 To graph absolute value functions
STA: (2)(A)| (6)(C)
TOP: 2-4 Problem 6 Writing an Absolute Value Function
KEY: transformation | translation | stretch | reflection
ANS: D
PTS: 1
DIF: L3
REF: 2-4 Transformations of Absolute Value Functions
OBJ: 2-4.1 To graph absolute value functions
STA: (2)(A)| (6)(C)
TOP: 2-4 Problem 6 Writing an Absolute Value Function
KEY: transformation | translation | stretch | reflection
ANS:
infinitely many solutions
PTS:
OBJ:
TOP:
KEY:
21. ANS:
1
DIF: L2
REF: 3-2 Solving Systems Algebraically
3-2.1 To solve linear systems algebraically
STA: (3)(A)
3-2 Problem 5 Solving Systems Without Unique Solutions
equivalent systems
infinitely many solutions
PTS:
OBJ:
TOP:
KEY:
22. ANS:
1
DIF: L2
REF: 3-2 Solving Systems Algebraically
3-2.1 To solve linear systems algebraically
STA: (3)(A)
3-2 Problem 5 Solving Systems Without Unique Solutions
equivalent systems
y
4
2
–4
–2
O
2
4
x
–2
–4
PTS: 1
DIF: L3
REF: 3-3 Systems of Inequalities
OBJ: 3-3.1 To solve systems of linear inequalities
STA: (3)(E)| (3)(F)| (3)(G)
TOP: 3-3 Problem 2 Solving a System by Graphing
KEY: system of inequalities
23. ANS:
y
4
2
–4
–2
O
2
4
x
–2
–4
PTS: 1
DIF: L3
REF: 3-3 Systems of Inequalities
OBJ: 3-3.1 To solve systems of linear inequalities
STA: (3)(E)| (3)(F)| (3)(G)
TOP: 3-3 Problem 2 Solving a System by Graphing
KEY: system of inequalities
24. ANS:
y
4
2
–4
–2
O
2
4
x
–2
–4
PTS: 1
DIF: L3
REF: 3-3 Systems of Inequalities
OBJ: 3-3.1 To solve systems of linear inequalities
STA: (3)(E)| (3)(F)| (3)(G)
TOP: 3-3 Problem 2 Solving a System by Graphing
KEY: system of inequalities
25. ANS:
(3, –4, 2)
PTS: 1
DIF: L2
REF: 3-5 Systems in Three Variables
OBJ: 3-5.2 To solve systems in three variables using substitution
STA: (3)(A)| (3)(B)
TOP: 3-5 Problem 3 Solving a System Using Substitution
KEY: representation
26. ANS:
(5, 7, 0)
PTS: 1
DIF: L2
REF: 3-5 Systems in Three Variables
OBJ: 3-5.2 To solve systems in three variables using substitution
STA: (3)(A)| (3)(B)
TOP: 3-5 Problem 3 Solving a System Using Substitution
KEY: representation
27. ANS:
(–4, –3, 1)
PTS: 1
DIF: L2
REF: 3-5 Systems in Three Variables
OBJ: 3-5.2 To solve systems in three variables using substitution
STA: (3)(A)| (3)(B)
TOP: 3-5 Problem 3 Solving a System Using Substitution
KEY: representation
28. ANS:
6 lb pecans, 3 lb pistachios, 2 lb dried bananas
PTS:
OBJ:
STA:
KEY:
29. ANS:
REF:
OBJ:
STA:
1
DIF: L2
REF: 3-5 Systems in Three Variables
3-5.2 To solve systems in three variables using substitution
(3)(A)| (3)(B)
TOP: 3-5 Problem 4 Solving a Real-World Problem
representation
A
PTS: 1
DIF: L2
3-6 Solving Systems Using Matrices
3-6.1 To represent a system of linear equations with a matrix
(3)(B)
TOP: 3-6 Problem 1 Identifying a Matrix Element
KEY:
30. ANS:
REF:
OBJ:
STA:
KEY:
31. ANS:
REF:
OBJ:
STA:
KEY:
32. ANS:
REF:
OBJ:
STA:
KEY:
33. ANS:
REF:
OBJ:
STA:
KEY:
34. ANS:
matrix | matrix element
C
PTS: 1
DIF: L2
3-6 Solving Systems Using Matrices
3-6.1 To represent a system of linear equations with a matrix
(3)(B)
TOP: 3-6 Problem 1 Identifying a Matrix Element
matrix | matrix element
A
PTS: 1
DIF: L4
3-6 Solving Systems Using Matrices
3-6.1 To represent a system of linear equations with a matrix
(3)(B)
TOP: 3-6 Problem 2 Representing Systems With Matrices
matrix | matrix element
A
PTS: 1
DIF: L4
3-6 Solving Systems Using Matrices
3-6.1 To represent a system of linear equations with a matrix
(3)(B)
TOP: 3-6 Problem 2 Representing Systems With Matrices
matrix | matrix element
C
PTS: 1
DIF: L4
3-6 Solving Systems Using Matrices
3-6.1 To represent a system of linear equations with a matrix
(3)(B)
TOP: 3-6 Problem 2 Representing Systems With Matrices
matrix | matrix element
PTS:
OBJ:
STA:
KEY:
35. ANS:
1
DIF: L3
REF: 4-4 Systems and Matrices
4-4.1 To solve systems of equations using matrix inverses and multiplication
(3)(B)
TOP: 4-4 Problem 2 Writing a System as a Matrix Equation
variable matrix | coefficient matrix | constant matrix
PTS:
OBJ:
STA:
KEY:
36. ANS:
1
DIF: L3
REF: 4-4 Systems and Matrices
4-4.1 To solve systems of equations using matrix inverses and multiplication
(3)(B)
TOP: 4-4 Problem 2 Writing a System as a Matrix Equation
variable matrix | coefficient matrix | constant matrix
PTS: 1
DIF: L3
REF: 4-4 Systems and Matrices
OBJ: 4-4.1 To solve systems of equations using matrix inverses and multiplication
STA: (3)(B)
TOP: 4-4 Problem 2 Writing a System as a Matrix Equation
KEY: variable matrix | coefficient matrix | constant matrix
37. ANS:
(–4, –1, 0)
PTS: 1
DIF: L4
REF: 4-4 Systems and Matrices
OBJ: 4-4.1 To solve systems of equations using matrix inverses and multiplication
STA: (3)(B)
TOP: 4-4 Problem 4 Solving a System of Three Equations
KEY: coefficient matrix | constant matrix | variable matrix
38. ANS:
(1, –4, 1)
PTS: 1
DIF: L4
REF: 4-4 Systems and Matrices
OBJ: 4-4.1 To solve systems of equations using matrix inverses and multiplication
STA: (3)(B)
TOP: 4-4 Problem 4 Solving a System of Three Equations
KEY: coefficient matrix | constant matrix | variable matrix
39. ANS:
(5, –3, 2)
PTS:
OBJ:
STA:
KEY:
40. ANS:
focus:
1
DIF: L4
REF: 4-4 Systems and Matrices
4-4.1 To solve systems of equations using matrix inverses and multiplication
(3)(B)
TOP: 4-4 Problem 4 Solving a System of Three Equations
coefficient matrix | constant matrix | variable matrix
; directrix:
PTS: 1
DIF: L4
REF: 5-4 Focus and Directrix of a Parabola
OBJ: 5-4.1 To write the equation of a parabola using its focus and directrix
STA: (4)(B)
TOP: 5-4 Problem 1 Parabolas with Equation y = ax^2
KEY: directrix | focus of a parabola
41. ANS:
focus (7, 0), directrix x = –7
PTS: 1
DIF: L4
REF: 5-4 Focus and Directrix of a Parabola
OBJ: 5-4.1 To write the equation of a parabola using its focus and directrix
STA: (4)(B)
TOP: 5-4 Problem 2 Parabolas with Equation x = ay^2
KEY: directrix | focus of a parabola
42. ANS:
focus (–5, 0), directrix x = 5
PTS:
OBJ:
STA:
KEY:
43. ANS:
REF:
OBJ:
STA:
1
DIF: L4
REF: 5-4 Focus and Directrix of a Parabola
5-4.1 To write the equation of a parabola using its focus and directrix
(4)(B)
TOP: 5-4 Problem 2 Parabolas with Equation x = ay^2
directrix | focus of a parabola
D
PTS: 1
DIF: L3
5-4 Focus and Directrix of a parabola
5-4.1 To write the equation of a parabola using its focus and directrix
(4)(B)
TOP: 5.4 Problem 4 Writing an Equation Given the Focus and Directrix
KEY: parabola | focus of a parabola | directrix
44. ANS:
PTS: 1
DIF: L3
REF: 5-4 Focus and Directrix of a Parabola
OBJ: 5-4.2 To graph parabolas
STA: (4)(B)
TOP: 5-4 Problem 5 Writing an Equation of a Parabola
KEY: directrix | focus of a parabola
45. ANS:
PTS: 1
DIF: L3
REF: 5-4 Focus and Directrix of a Parabola
OBJ: 5-4.2 To graph parabolas
STA: (4)(B)
TOP: 5-4 Problem 5 Writing an Equation of a Parabola
KEY: directrix | focus of a parabola
46. ANS:
PTS: 1
DIF: L3
REF: 5-4 Focus and Directrix of a Parabola
OBJ: 5-4.2 To graph parabolas
STA: (4)(B)
TOP: 5-4 Problem 5 Writing an Equation of a Parabola
KEY: directrix | focus of a parabola
47. ANS:
3
–8, 
2
PTS: 1
DIF: L3
REF: 5-6 Quadratic Equations
OBJ: 5-6.1 To solve quadratic equations by factoring
STA: (4)(F)| (7)(I)
TOP: 5-6 Problem 1 Solving a Quadratic Equation by Factoring
KEY: Zero-Product Property
48. ANS:
7
–2, 
5
PTS:
OBJ:
TOP:
KEY:
49. ANS:
–3, 1
1
DIF: L3
REF: 5-6 Quadratic Equations
5-6.1 To solve quadratic equations by factoring
STA: (4)(F)| (7)(I)
5-6 Problem 1 Solving a Quadratic Equation by Factoring
Zero-Product Property
PTS:
OBJ:
TOP:
KEY:
50. ANS:
64
1
DIF: L3
REF: 5-6 Quadratic Equations
5-6.1 To solve quadratic equations by factoring
STA: (4)(F)| (7)(I)
5-6 Problem 1 Solving a Quadratic Equation by Factoring
Zero-Product Property
PTS: 1
DIF: L2
REF: 5-7 Completing the Square
OBJ: 5-7.2 To rewrite functions by completing the square
STA: (4)(D)| (4)(F)
TOP: 5-7 Problem 4 Completing the Square
51. ANS:
4
KEY: completing the square
PTS: 1
DIF: L2
REF: 5-7 Completing the Square
OBJ: 5-7.2 To rewrite functions by completing the square
STA: (4)(D)| (4)(F)
TOP: 5-7 Problem 4 Completing the Square
KEY: completing the square
52. ANS:
PTS: 1
DIF: L3
REF: 5-7 Completing the Square
OBJ: 5-7.1 To solve equations by completing the square
STA: (4)(D)| (4)(F)
TOP: 5-7 Problem 5 Solving by Completing the Square
KEY: completing the square
53. ANS:
PTS: 1
DIF: L3
REF: 5-7 Completing the Square
OBJ: 5-7.1 To solve equations by completing the square
STA: (4)(D)| (4)(F)
TOP: 5-7 Problem 5 Solving by Completing the Square
KEY: completing the square
54. ANS:
vertex: (
, 7)
y-intercept: (0, 382)
PTS: 1
DIF: L4
REF: 5-7 Completing the Square
OBJ: 5-7.2 To rewrite functions by completing the square
STA: (4)(D)| (4)(F)
TOP: 5-7 Problem 6 Writing in Vertex Form
KEY: completing the square
55. ANS:
7
2
PTS:
OBJ:
STA:
KEY:
56. ANS:
1
DIF: L3
REF: 5-8 The Quadratic Formula
5-8.1 To solve quadratic equations using the Quadratic Formula
(4)(F)
TOP: 5-8 Problem 1 Using the Quadratic Formula
Quadratic Formula
9
4
PTS:
OBJ:
STA:
KEY:
57. ANS:
9
8
1
DIF: L3
REF: 5-8 The Quadratic Formula
5-8.1 To solve quadratic equations using the Quadratic Formula
(4)(F)
TOP: 5-8 Problem 1 Using the Quadratic Formula
Quadratic Formula
58.
59.
60.
61.
PTS:
OBJ:
STA:
KEY:
ANS:
OBJ:
STA:
KEY:
ANS:
OBJ:
STA:
KEY:
ANS:
OBJ:
STA:
KEY:
ANS:
1
DIF: L3
REF: 5-8 The Quadratic Formula
5-8.1 To solve quadratic equations using the Quadratic Formula
(4)(F)
TOP: 5-8 Problem 1 Using the Quadratic Formula
Quadratic Formula
C
PTS: 1
DIF: L2
REF: 5-8 The Quadratic Formula
5-8.2 To determine the number of real solutions by using the discriminant
(4)(F)
TOP: 5-8 Problem 3 Using the Discriminant
discriminant | Quadratic Formula
B
PTS: 1
DIF: L2
REF: 5-8 The Quadratic Formula
5-8.2 To determine the number of real solutions by using the discriminant
(4)(F)
TOP: 5-8 Problem 3 Using the Discriminant
discriminant | Quadratic Formula
C
PTS: 1
DIF: L2
REF: 5-8 The Quadratic Formula
5-8.2 To determine the number of real solutions by using the discriminant
(4)(F)
TOP: 5-8 Problem 3 Using the Discriminant
discriminant | Quadratic Formula
6
imaginary axis
4
2
real axis
–6
–4
–2
2
4
6
–2
–4
–6
PTS:
OBJ:
STA:
KEY:
62. ANS:
1
DIF: L3
REF: 5-9 Complex Numbers
5-9.1 To identify, graph, and perform operations with complex numbers
(4)(F)| (7)(A)| (7)(B)
TOP: 5-9 Problem 2 Graphing in the Complex Number Plane
complex number | complex number plane
6
imaginary axis
4
2
real axis
–6
–4
–2
2
4
6
–2
–4
–6
PTS:
OBJ:
STA:
KEY:
63. ANS:
5
1
DIF: L3
REF: 5-9 Complex Numbers
5-9.1 To identify, graph, and perform operations with complex numbers
(4)(F)| (7)(A)| (7)(B)
TOP: 5-9 Problem 2 Graphing in the Complex Number Plane
complex number | complex number plane
PTS:
OBJ:
STA:
KEY:
64. ANS:
5
1
DIF: L2
REF: 5-9 Complex Numbers
5-9.1 To identify, graph, and perform operations with complex numbers
(4)(F)| (7)(A)| (7)(B)
TOP: 5-9 Problem 2 Graphing in the Complex Number Plane
complex number | absolute value of a complex number
PTS:
OBJ:
STA:
KEY:
65. ANS:
26
1
DIF: L2
REF: 5-9 Complex Numbers
5-9.1 To identify, graph, and perform operations with complex numbers
(4)(F)| (7)(A)| (7)(B)
TOP: 5-9 Problem 2 Graphing in the Complex Number Plane
complex number | absolute value of a complex number
PTS:
OBJ:
STA:
KEY:
66. ANS:
–25
1
DIF: L2
REF: 5-9 Complex Numbers
5-9.1 To identify, graph, and perform operations with complex numbers
(4)(F)| (7)(A)| (7)(B)
TOP: 5-9 Problem 2 Graphing in the Complex Number Plane
complex number | absolute value of a complex number
PTS:
OBJ:
STA:
KEY:
67. ANS:
8
1
DIF: L2
REF: 5-9 Complex Numbers
5-9.1 To identify, graph, and perform operations with complex numbers
(4)(F)| (7)(A)| (7)(B)
TOP: 5-9 Problem 4 Multiplying Complex Numbers
complex number
PTS:
OBJ:
STA:
KEY:
68. ANS:
6
1
DIF: L2
REF: 5-9 Complex Numbers
5-9.1 To identify, graph, and perform operations with complex numbers
(4)(F)| (7)(A)| (7)(B)
TOP: 5-9 Problem 4 Multiplying Complex Numbers
complex number
PTS:
OBJ:
STA:
KEY:
69. ANS:
1
DIF: L2
REF: 5-9 Complex Numbers
5-9.1 To identify, graph, and perform operations with complex numbers
(4)(F)| (7)(A)| (7)(B)
TOP: 5-9 Problem 4 Multiplying Complex Numbers
complex number
PTS:
OBJ:
STA:
KEY:
70. ANS:
1
DIF: L3
REF: 5-9 Complex Numbers
5-9.2 To find complex number solutions of quadratic equations
(4)(F)| (7)(A)| (7)(B)
TOP: 5-9 Problem 7 Finding Imaginary Solutions
complex number | imaginary number
PTS:
OBJ:
STA:
KEY:
71. ANS:
1
DIF: L3
REF: 5-9 Complex Numbers
5-9.2 To find complex number solutions of quadratic equations
(4)(F)| (7)(A)| (7)(B)
TOP: 5-9 Problem 7 Finding Imaginary Solutions
complex number | imaginary number
PTS:
OBJ:
STA:
KEY:
72. ANS:
1
DIF: L3
REF: 5-9 Complex Numbers
5-9.2 To find complex number solutions of quadratic equations
(4)(F)| (7)(A)| (7)(B)
TOP: 5-9 Problem 7 Finding Imaginary Solutions
complex number | imaginary number
y
6
4
2
–6
–4
–2
2
4
6 x
–2
–4
–6
(–5, 0)
(–1, 4)
PTS:
OBJ:
STA:
TOP:
KEY:
73. ANS:
1
DIF: L2
REF: 5-11 Systems of Linear and Quadratic Equations
5-11.1 To solve and graph systems of linear and quadratic equations
(3)(A)| (3)(C)| (3)(D)
5-11 Problem 1 Solving a Linear-Quadratic System by Graphing
formulate | strategy | reasonableness
y
6
4
2
–6
–4
–2
2
4
6 x
–2
–4
–6
(–4, –1)
(–1, 2)
PTS: 1
DIF: L2
REF: 5-11 Systems of Linear and Quadratic Equations
OBJ: 5-11.1 To solve and graph systems of linear and quadratic equations
STA: (3)(A)| (3)(C)| (3)(D)
TOP: 5-11 Problem 1 Solving a Linear-Quadratic System by Graphing
KEY: formulate | strategy | reasonableness
74. ANS:
(–4, 1)
(1, –4)
PTS: 1
DIF: L3
REF: 5-11 Systems of Linear and Quadratic Equations
OBJ: 5-11.1 To solve and graph systems of linear and quadratic equations
STA: (3)(A)| (3)(C)| (3)(D)
TOP: 5-11 Problem 1 Solving a Linear-Quadratic System by Graphing
KEY: formulate | strategy | reasonableness
75. ANS:
(–1, –2)
(1, –4)
PTS: 1
DIF: L3
REF: 5-11 Systems of Linear and Quadratic Equations
OBJ: 5-11.1 To solve and graph systems of linear and quadratic equations
STA: (3)(A)| (3)(C)| (3)(D)
TOP: 5-11 Problem 1 Solving a Linear-Quadratic System by Graphing
KEY: formulate | strategy | reasonableness
76. ANS:
(–5, 3)
(2, –4)
PTS: 1
DIF: L3
REF: 5-11 Systems of Linear and Quadratic Equations
OBJ: 5-11.1 To solve and graph systems of linear and quadratic equations
STA: (3)(A)| (3)(C)| (3)(D)
TOP: 5-11 Problem 1 Solving a Linear-Quadratic System by Graphing
KEY: formulate | strategy | reasonableness
77. ANS:
Rewrite the equation by switching y and x. Then, solve for y.
PTS: 1
DIF: L2
REF: 6-1 Square Root Functions as Inverses
OBJ: 6-1.1 To describe and analyze the relationship between a quadratic function and its square root inverse
STA:
(2)(B)| (2)(C)| (2)(D)
TOP:
6-1 Problem 1 Finding an inverse
KEY: inverse relation
78. ANS: A
PTS: 1
DIF: L3
REF: 6-1 Square Root Functions as Inverses
OBJ: 6-1.1 To describe and analyze the relationship between a quadratic function and its square root inverse
STA:
(2)(B)| (2)(C)| (2)(D)
TOP: 6-1 Problem 2 Graphing a function and its inverse
KEY: square root function
79. ANS:
PTS: 1
DIF: L3
REF: 6-1 Square Root Functions as Inverses
OBJ: 6-1.1 To describe and analyze the relationship between a quadratic function and its square root inverse
STA:
(2)(B)| (2)(C)| (2)(D)
TOP: 6-1 Problem 2 Graphing a Function and Its Inverse
KEY: square root function
80. ANS:
PTS: 1
DIF: L3
REF: 6-1 Square Root Functions as Inverses
OBJ: 6-1.1 To describe and analyze the relationship between a quadratic function and its square root inverse
STA:
(2)(B)| (2)(C)| (2)(D)
TOP: 6-1 Problem 2 Graphing a Function and Its Inverse
KEY: square root function
81. ANS:
PTS: 1
DIF: L3
REF: 6-1 Square Root Functions as Inverses
OBJ: 6-1.1 To describe and analyze the relationship between a quadratic function and its square root inverse
STA:
(2)(B)| (2)(C)| (2)(D)
TOP: 6-1 Problem 2 Graphing a Function and Its Inverse
KEY: square root function
82. ANS:
y
4
2
–4
–2
2
4
x
–2
–4
PTS: 1
DIF: L3
REF: 6-1 Square Root Functions as Inverses
OBJ: 6-1.1 To describe and analyze the relationship between a quadratic function and its square root inverse
STA:
(2)(B)| (2)(C)| (2)(D)
TOP: 6-1 Problem 2 Graphing a Function and Its Inverse
KEY: square root function
83. ANS:
y
4
2
–4
–2
2
4
x
–2
–4
PTS: 1
DIF: L3
REF: 6-1 Square Root Functions as Inverses
OBJ: 6-1.1 To describe and analyze the relationship between a quadratic function and its square root inverse
STA:
(2)(B)| (2)(C)| (2)(D)
TOP: 6-1 Problem 2 Graphing a Function and Its Inverse
KEY: square root function
84. ANS: C
PTS: 1
DIF: L2
REF: 6-1 Square Root Functions as Inverses
OBJ: 6-1.2 To use composition of quadratic and square root functions to determine if they are inverses
STA: (2)(B)| (2)(C)| (2)(D)
TOP: 6-1 Problem 4 Composing Functions
KEY: square root function
85. ANS: A
PTS: 1
DIF: L2
REF: 6-1 Square Root Functions as Inverses
OBJ: 6-1.2 To use composition of quadratic and square root functions to determine if they are inverses
STA: (2)(B)| (2)(C)| (2)(D)
TOP: 6-1 Problem 4 Composing Functions
KEY: square root function
86. ANS: D
PTS: 1
DIF: L3
REF:
OBJ:
STA:
TOP:
KEY:
87. ANS:
6-2 Attributes of Square Root Functions
6-2.1 To graph and analyze key attributes of square root functions
(2)(A)| (4)(E)| (7)(I)
6-2 Problem 1 Domain and Range of Square Root functions
analyze
The graph is compressed vertically by a factor of
PTS:
OBJ:
STA:
KEY:
88. ANS:
.
1
DIF: L3
REF: 6-3 Transformations of Square Root Functions
6-3.1 To determine the effects of transformations on the graph of the square root parent function
(4)(C)
TOP: 6-3 Problem 1 Vertical Stretch and Compression
square root parent function
y
4
2
–4
–2
2
4
x
–2
–4
PTS:
OBJ:
STA:
KEY:
89. ANS:
1
DIF: L2
REF: 6-3 Transformations of Square Root Functions
6-3.1 To determine the effects of transformations on the graph of the square root parent function
(4)(C)
TOP: 6-3 Problem 3 Translating a Square Root Function Horizontally
square root parent function
y
4
2
–4
–2
2
4
x
–2
–4
PTS: 1
DIF: L2
REF: 6-3 Transformations of Square Root Functions
OBJ: 6-3.1 To determine the effects of transformations on the graph of the square root parent function
STA: (4)(C)
TOP: 6-3 Problem 3 Translating a Square Root Function Horizontally
KEY: square root parent function
90. ANS:
y
4
2
–4
–2
2
4
x
–2
–4
PTS:
OBJ:
STA:
KEY:
91. ANS:
REF:
OBJ:
STA:
KEY:
92. ANS:
1
DIF: L2
REF: 6-3 Transformations of Square Root Functions
6-3.1 To determine the effects of transformations on the graph of the square root parent function
(4)(C)
TOP: 6-3 Problem 3 Translating a Square Root Function Horizontally
square root parent function
D
PTS: 1
DIF: L3
6-3 Transformations of Square Root Functions
6-3.1 To determine the effects of transformations on the graph of the square root parent function
(4)(C)
TOP: 6-3 Problem 4 Horizontal Stretch and Compression
square root parent function
y
8
4
–8
–4
4
8
x
–4
–8
PTS:
OBJ:
STA:
KEY:
93. ANS:
1
DIF: L4
REF: 6-3 Transformations of Square Root Functions
6-3.1 To determine the effects of transformations on the graph of the square root parent function
(4)(C)
TOP: 6-3 Problem 5 Graphing a Square Root Function
square root parent function
y
8
4
–8
–4
4
8
x
–4
–8
PTS:
OBJ:
STA:
KEY:
94. ANS:
60
1
DIF: L4
REF: 6-3 Transformations of Square Root Functions
6-3.1 To determine the effects of transformations on the graph of the square root parent function
(4)(C)
TOP: 6-3 Problem 5 Graphing a Square Root Function
square root parent function
PTS:
OBJ:
STA:
KEY:
95. ANS:
33
1
DIF: L2
REF: 6-5 Solving Square Root Equations
6-5.1 To solve square root equations algebraically and check for extraneous solutions
(4)(F)| (4)(G)
TOP: 6-5 Problem 1 Solving a Square Root Equation
square root equation
PTS:
OBJ:
STA:
KEY:
96. ANS:
31
1
DIF: L2
REF: 6-5 Solving Square Root Equations
6-5.1 To solve square root equations algebraically and check for extraneous solutions
(4)(F)| (4)(G)
TOP: 6-5 Problem 1 Solving a Square Root Equation
square root equation
PTS:
OBJ:
STA:
KEY:
97. ANS:
49
1
DIF: L2
REF: 6-5 Solving Square Root Equations
6-5.1 To solve square root equations algebraically and check for extraneous solutions
(4)(F)| (4)(G)
TOP: 6-5 Problem 1 Solving a Square Root Equation
square root equation
PTS: 1
DIF: L3
REF: 6-4 Introduction to Square Root Equations
OBJ: 6-4.1 To formulate and solve square root equations
STA: (4)(E)| (4)(F)
TOP: 6-4 Problem 1 Solving by Isolating the Radical
KEY: radical equation
98. ANS:
144
PTS: 1
DIF: L3
REF: 6-4 Introduction to Square Root Equations
OBJ: 6-4.1 To formulate and solve square root equations
TOP: 6-4 Problem 1 Solving by Isolating the Radical
99. ANS:
100
STA: (4)(E)| (4)(F)
KEY: radical equation
PTS: 1
DIF: L3
REF: 6-4 Introduction to Square Root Equations
OBJ: 6-4.1 To formulate and solve square root equations
STA: (4)(E)| (4)(F)
TOP: 6-4 Problem 1 Solving by Isolating the Radical
KEY: radical equation
100. ANS:
32
PTS: 1
DIF: L3
REF: 6-4 Introduction to Square Root Equations
OBJ: 6-4.1 To formulate and solve square root equations
STA: (4)(E)| (4)(F)
TOP: 6-4 Problem 1 Solving by Isolating the Radical
KEY: radical equation