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Algebra I 2008–2009 Semester 2 Assessment — Released
DRAFT
1. What is the x-coordinate of the point of
intersection for the two lines below?
4. How many solutions does the system
have?
y x2
4 x 2 y
4x 4 y 8
6x 2 y 4
A. –2
A. no solution
B. 0
C.
8
3
B. one solution
5
4
C. two solutions
D. 2
D. infinitely many solutions
2. What is the y-coordinate of the point of
intersection for the two lines below?
5. Which point is in the solution set for the
system of inequalities x y 1 and
y 2x 1 ?
x y9
A.
2, 4
A. –6
B.
1, 1
B. –3
C.
0, 2
D.
2, 2
x 6 y 12
C. 3
D. 6
3. How many solutions does the system
have?
x 4 y 20
3 x 12 y 4
A. no solution
B. one solution
C. two solutions
D. infinitely many solutions
2008–2009
Clark County School District
1
Revised 07/22/2009
GO ON
Algebra I 2008–2009 Semester 2 Assessment — Released
DRAFT
6. Which system of inequalities is graphed
below?
8. A movie theater sells regular tickets (r)
for $12 each. Students receive
discounted tickets (d) for $9 each. One
evening the theater sold 834 tickets and
collected $9,258 in revenue. Which
system of linear equations can be used to
determine the number of student tickets
sold?
r d 9258
A.
12r 9d 834
r d 9258
B.
9r 12d 834
r d 834
C.
12r 9d 9258
y 3
A.
y 2 x 1
r d 834
D.
9r 12d 9258
y 3
B.
y 2 x 1
9. Evaluate x 3 when x = 2.
2
y 3
C.
y 2 x 1
A. 12
y 3
D.
y 2 x 1
B. 16
C. 36
D. 64
7. Jason has 20 coins in nickels and
quarters. He has a total of $3.40 in
coins. How many quarters does Jason
have?
10. Determine the value of 32 3 .
A. 9
A. 10
B. 18
B. 12
C. 27
C. 13
D. 81
D. 18
2008–2009
Clark County School District
2
Revised 07/22/2009
GO ON
Algebra I 2008–2009 Semester 2 Assessment — Released
DRAFT
15. Evaluate the expression 20 2 5 .
11. What is 75,200,000 in scientific
notation?
A. −32
A. 7.52 105
B. 0
B. 75.2 105
C. 75.2 106
C.
1
32
D.
1
16
D. 7.52 107
12. Multiply: 2.0 106 3.3 102 . What
16. Evaluate the expression 53 54 5 .
is the product in scientific notation?
A. 66 105
A. 1
B. 6.6 104
B. 5
C. 0.66 103
C. 10
D. 6.6 10 12
D. 25
yt
13. If 4 y12 , what is the value of t?
y
17. Which statement about
193 is true?
A. It lies between 13 and 14.
A. 3
B. It lies between 14 and 15.
B. 8
C. It lies between 100 and 200.
C. 16
D. It lies between 169 and 196.
D. 48
14. Which expression is equivalent to
x
5
y 3 z 5 x 4 y 3 ?
3
A. 5x12 y 9 z
B. 5x17 y12 z
C. 125x 20 y 9 z
D. 125x17 y12 z
2008–2009
Clark County School District
3
Revised 07/22/2009
GO ON
Algebra I 2008–2009 Semester 2 Assessment — Released
DRAFT
18. Evaluate the radical expression
A.
1
2
B.
5
10
C.
D.
21. Triangle ABC is a right triangle. Which
equation could be used to determine the
value of x?
25
.
100
A
15
x
1
2
C
B
7
1
4
A. x 72 152
B. x 152 72
19. Simplify the radical
40 .
C. x 7 2 15 2
D. x 15 2 7 2
A. 2 10
B. 2 20
22. Use the converse of the Pythagorean
Theorem to determine if the 3 numbers
could represent the sides of a right
triangle.
C. 4 10
D. 8 5
20. Simplify the radical
I. 5, 7, 9
90
.
2
II. 5, 12, 13
Which of these sets of 3 numbers could
represent the sides of a right triangle?
A. 3 5
B. 5 3
A. Neither I nor II
C. 3 15
B. I only
C. II only
D. 15 3
2008–2009
Clark County School District
D. Both I and II
4
Revised 07/22/2009
GO ON
Algebra I 2008–2009 Semester 2 Assessment — Released
DRAFT
23. Find the area of the rectangle. Give the
exact answer in simplest form.
25. Subtract the following polynomials:
4 y
2
7 y 5 2 y2 5 y 3
A. 2 y 2 2 y 2
10
B. 2 y 2 12 y 8
C. 6 y 2 2 y 2
20
A.
30
B.
200
D. 6 y 2 12 y 8
26. Multiply the binomials 2 x 3 3 x 1 .
C. 2 50
A. 5 x 2 7 x 3
D. 10 2
B. 5 x 2 5 x 3
C. 6 x 2 7 x 3
24. Which expression represents the
perimeter of the triangle shown below?
x2 + 3
D. 6 x 2 5 x 3
4x + 1
27. Multiply the polynomials:
x 5 2 x 2 3 x 4
2x2 – x + 4
A. 2 x3 7 x 2 11x 20
A. x 2 5 x
B. 2 x 3 7 x 2 19 x 20
B. x 3x 3
2
C. 2 x 3 13x 2 11x 20
C. 3x 2 5 x 6
D. 2 x 3 13x 2 19 x 20
D. 3x 3x 8
2
28. Expand the expression 3 x 5 .
2
A. 9 x 2 25
B. 9 x 2 25
C. 9 x 2 30 x 25
D. 9 x 2 30 x 25
2008–2009
Clark County School District
5
Revised 07/22/2009
GO ON
Algebra I 2008–2009 Semester 2 Assessment — Released
DRAFT
29. Which of the following is a factor of
5 x 2 23 x 12 ?
32. Find the vertex of the parabola:
y 2 x 2 12 x 7
A.
5x 2
5x 3
A.
B.
6, 7
5x 4
B.
C.
3, 11
5x 6
C.
D.
3, 61
D.
6, 151
30. The graph of y x 2 x 12 has how
many x-intercepts?
33. What is the domain and range of the
function y 2 x 2 2 x 4 shown in the
graph below?
A. 12
B. 2
C. 1
D. 0
31. Which of the following are true
statements about the graph of
y x2 8 x 4 ?
I. Opens Up
II. Opens Down
III. Axis of symmetry x = –4
IV. Axis of symmetry x = 4
A. Domain: all real numbers
Range: all real numbers
A. I and III only
B. I and IV only
B. Domain: 2 x 2
C. II and III only
Range: y 4.5
C. Domain: all real numbers
D. II and IV only
Range: y 4.5
D. Domain: 2 x 2
Range: all real numbers
2008–2009
Clark County School District
6
Revised 07/22/2009
GO ON
Algebra I 2008–2009 Semester 2 Assessment — Released
DRAFT
34. Which of the following is the correct use of the quadratic formula to find the solutions of the
equation 2 x 2 7 x 5 ?
7
A.
7 4 2 5 7 7 4 2 5
,
2 2
2 2
7
B.
7
2
2
2
4 2 5 7
,
2 2
7
2
4 2 5
2 2
7
C.
7 4 2 5 7 7 4 2 5
,
2 2
2 2
7
D.
7 4 2 5 7 7 4 2 5
,
2 2
2 2
2
2
2
2
35. What is the solution set for the following
equation?
37. Which of the following equations has
roots of –7 and 4?
x 2 10 x 9 0
A. {–9, –1}
B. {–9, 1}
A.
x 7 x 4 0
B.
x 7 x 4 0
C.
x 7 x 4 0
D.
x 7 x 4 0
C. {–1, 9}
D. {1, 9}
38. Solve the equation 4 x 2 25 0 .
36. What are the roots (solutions) of
x2 x 1 0 ?
A.
B.
1
1
5
A.
2
3, 1 3
25
B.
4
5, 1 5
1 5 1 5
,
C.
2
2
5
C. ,
2
1 5 1 5
,
D.
2
2
25 25
D. ,
4 4
2008–2009
Clark County School District
7
Revised 07/22/2009
5
2
GO ON
Algebra I 2008–2009 Semester 2 Assessment — Released
DRAFT
39. Which of the following is the graph of
y x2 6 x 2 ?
40. Which equation best represents the
following graph?
A.
B.
A. y x 2 2 x 8
B. y x 2 2 x 8
C. y x 2 2 x 8
D. y x 2 2 x 8
41. The area of a rectangular tabletop is
represented by x 2 5 x 24 . Which
pair of expressions could represent the
dimensions of the tabletop?
C.
D.
2008–2009
Clark County School District
A.
x 6 , x 4
B.
x 8 , x 3
C.
x 12 , x 2
D.
x 24 , x 1
8
Revised 07/22/2009
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Algebra I 2008–2009 Semester 2 Assessment — Released
DRAFT
42. Simplify the rational expression:
44. What is
x 2 7 x 12
2 x2 5 x 3
form?
x4
A.
2x 1
A.
3 x 18
x2
x 11
B.
2x 4
B.
3 x 18
2x 4
2x 7
3x 2
C.
3x 4
x2
x4
D.
2x 1
D.
3x 4
2x 4
C.
2 x 7 x 11
in simplest
x2
x2
45. Subtract the rational expressions:
43. Which answer shows a simplified form
of the expression below?
6
5
x3 x3
6 x3 2 x
2
y
y
A.
1
6
B.
1
x3
A. 3x 2 y
B. 12x 2 y
C.
3x 4
y3
C.
x 33
x 3 x 3
D.
12x 4
y3
D.
x 15
x 3 x 3
46. For what value(s) of x is the rational
3 x 2 15 x
expression 2
undefined?
x 7 x 10
A. 0
B. –5 and –2
C. 0 and 5
D. 2 and 5
2008–2009
Clark County School District
9
Revised 07/22/2009
GO ON
Algebra I 2008–2009 Semester 2 Assessment — Released
47. Simplify the product:
x 2 3 x x 2
x2 5 x 6
2x
A.
x2
2
B.
x x3
2
C.
x x 3
x 2
50. Which solution set represents the values
of x that satisfy the equation below?
2
x7
2
3
x2
A. {–5, –4}
B. {–7, –2}
C. {4, 5}
D. {2, 7}
x2 4x 4
D.
x2
48. 30% of 60 is what number?
A. 0.5
B. 1.8
C. 9
D. 18
49. Solve the equation below for x:
x 1 2x 1
3
15
A.
4
3
B. 0
C.
4
3
D. 12
2008–2009
Clark County School District
10
Revised 07/22/2009
Algebra I 2008–2009 Semester 2 Assessment — Released
Free Response
1. Simplify the following expression. Justify each step with the applicable property of exponents.
Express your answer with no negative exponents.
32a 4b 2 3a 2b7
2a 3b3 2a 4
2. A rectangular patio has length f x feet and width g x feet, where f ( x) 2 x 5 and
g ( x) x 1 :
g x
f x
A. If the patio’s perimeter is 60 feet, what is the value of x?
B. If the patio’s area is 9 feet2, what is the value of x?
2008–2009
Clark County School District
1
Revised 07/22/2009
GO ON
Algebra I 2008–2009 Semester 2 Assessment — Released
Free Response
3. Use the equation y x2 6x 8 to answer the following questions:
A. Find the x-intercepts.
B. Find the vertex.
C. Sketch the graph.
D. State the domain and range.
2008–2009
Clark County School District
2
Revised 07/22/2009