Download Algebra IA Midterm Exam REVIEW PACKET Answer Section

Algebra IA Midterm Exam REVIEW PACKET
Answer Section
MULTIPLE CHOICE
1. ANS: C
PTS: 1
DIF: L3
REF: 2-10 Change Expressed as a
Percent
OBJ: 2-10.1 To find percent change
NAT: CC N.Q.3| N.3.b| N.3.f| N.4.d
TOP: 2-10 Problem 2 Finding a Percent Increase
KEY: rearrange formula | percent of change | percent increase
2. ANS: C
PTS: 1
DIF: L3
REF: 1-3 Real Numbers and the Number Line
OBJ: 1-3.1 To classify, graph and compare real numbers
NAT: CC N.RN.3| N.1.d| N.1.g| N.1.i| N.2.b| N.2.d
TOP: 1-3 Problem 3 Classifying Real Numbers
KEY: natural numbers | whole numbers | integers | rational numbers | irrational numbers
3. ANS: B
PTS: 1
4. ANS: B
PTS: 1
DIF: L3
REF: 1-4 Properties of Real Numbers
OBJ: 1-4.1 To identify and use properties of real numbers
NAT: CC N.RN.3| N.1.d| N.3.d| N.5.f| N.6.a| A.3.d
TOP: 1-4 Problem 3 Writing Equivalent Expressions
KEY: equivalent expressions
5. ANS: B
PTS: 1
DIF: L3
REF: 1-4 Properties of Real Numbers
OBJ: 1-4.1 To identify and use properties of real numbers
NAT: CC N.RN.3| N.1.d| N.3.d| N.5.f| N.6.a| A.3.d
TOP: 1-4 Problem 3 Writing Equivalent Expressions
KEY: equivalent expressions
6. ANS: B
PTS: 1
DIF: L2
REF: 1-4 Properties of Real Numbers
OBJ: 1-4.1 To identify and use properties of real numbers
NAT: CC N.RN.3| N.1.d| N.3.d| N.5.f| N.6.a| A.3.d
TOP: 1-4 Problem 1 Identifying Properties
KEY: equivalent expressions
7. ANS: A
PTS: 1
DIF: L3
REF: 1-4 Properties of Real Numbers
OBJ: 1-4.1 To identify and use properties of real numbers
NAT: CC N.RN.3| N.1.d| N.3.d| N.5.f| N.6.a| A.3.d
TOP: 1-4 Problem 1 Identifying Properties
KEY: equivalent expressions
8. ANS: B
PTS: 1
DIF: L3
REF: 1-9 Patterns, Equations, and
Graphs
OBJ: 1-9.1 To use tables, equations, and graphs to describe relationships
NAT: CC A.CED.2| CC A.REI.10| A.1.a
TOP: 1-9 Problem 1 Identifying Solutions of a Two-Variable Equation
KEY: solution of an equation
9. ANS: C
PTS: 1
DIF: L3
REF: 1-1 Variables and Expressions
OBJ: 1-1.1 To write algebraic expressions
NAT: CC A.SSE.1.a| A.1.a| A.3.b
TOP: 1-1 Problem 4 Using Words for an Expression
KEY: algebraic expression | variable | quantity
10. ANS: C
PTS: 1
DIF: L3
REF: 1-7 The Distributive Property
OBJ: 1-7.1 To use the Distributive Property to simplify expressions
NAT: CC A.SSE.1.a| N.1.d| N.3.b| N.3.c| N.3.d| A.3.c
TOP: 1-7 Problem 2 Rewriting Fraction Expressions
KEY: Distributive Property | coefficient | term | like terms
11. ANS: B
PTS: 1
DIF: L3
REF: 2-10 Change Expressed as a
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
Percent
OBJ: 2-10.1 To find percent change
NAT: CC N.Q.3| N.3.b| N.3.f| N.4.d
TOP: 2-10 Problem 1 Finding a Percent Decrease
KEY: rearrange formula | percent change | percent decrease
ANS: A
PTS: 1
DIF: L3
REF: 1-5 Adding and Subtracting Real Numbers
OBJ: 1-5.1 To find sums and differences of real numbers
NAT: CC N.RN.3| N.1.d| N.3.b| N.3.c| N.3.d| A.3.c
TOP: 1-5 Problem 1 Using Number Line Models
KEY: opposites | additive inverses
ANS: D
PTS: 1
DIF: L2
REF: 1-2 Order of Operations and Evaluating Expressions
OBJ: 1-2.1 To simplify expressions involving exponents
NAT: CC A.SSE.1.a| N.3.a| N.5.e
TOP: 1-2 Problem 1 Simplifying Powers KEY: power | exponent | base | simplify | evaluate
ANS: A
PTS: 1
DIF: L4
REF: 1-7 The Distributive Property
OBJ: 1-7.1 To use the Distributive Property to simplify expressions
NAT: CC A.SSE.1.a| N.1.d| N.3.b| N.3.c| N.3.d| A.3.c
TOP: 1-7 Problem 5 Combining Like Terms
KEY: Distributive Property | coefficient | term | like terms
ANS: A
PTS: 1
DIF: L2
REF: 1-3 Real Numbers and the Number Line
OBJ: 1-3.2 To find and estimate square roots
NAT: CC N.RN.3| N.1.d| N.1.g| N.1.i| N.2.b| N.2.d
TOP: 1-3 Problem 1 Simplifying Square Root Expressions
KEY: square root | perfect square
ANS: B
PTS: 1
DIF: L4
REF: 1-2 Order of Operations and Evaluating Expressions
OBJ: 1-2.2 To use the order of operations to evaluate expressions
NAT: CC A.SSE.1.a| N.3.a| N.5.e
TOP: 1-2 Problem 3 Evaluating Algebraic Expressions
KEY: power | exponent | base | simplify | evaluate
ANS: A
PTS: 1
DIF: L3
REF: 1-7 The Distributive Property
OBJ: 1-7.1 To use the Distributive Property to simplify expressions
NAT: CC A.SSE.1.a| N.1.d| N.3.b| N.3.c| N.3.d| A.3.c
TOP: 1-7 Problem 1 Simplifying Expressions
KEY: Distributive Property | coefficient | term | like terms
ANS: A
PTS: 1
DIF: L4
REF: 1-5 Adding and Subtracting Real Numbers
OBJ: 1-5.1 To find sums and differences of real numbers
NAT: CC N.RN.3| N.1.d| N.3.b| N.3.c| N.3.d| A.3.c
TOP: 1-5 Problem 4 Adding and Subtracting Real Numbers
KEY: opposites | additive inverses
ANS: D
PTS: 1
DIF: L2
REF: 1-1 Variables and Expressions
OBJ: 1-1.1 To write algebraic expressions
NAT: CC A.SSE.1.a| A.1.a| A.3.b
TOP: 1-1 Problem 1 Writing Expressions With Addition and Subtraction
KEY: algebraic expression | variable
ANS: C
PTS: 1
DIF: L3
REF: 1-4 Properties of Real Numbers
OBJ: 1-4.1 To identify and use properties of real numbers
NAT: CC N.RN.3| N.1.d| N.3.d| N.5.f| N.6.a| A.3.d
TOP: 1-4 Problem 2 Using Properties for Mental Calculations KEY: deductive reasoning
ANS: A
PTS: 1
DIF: L3
REF: 1-6 Multiplying and Dividing Real Numbers
OBJ: 1-6.1 To find products and quotients of real numbers
NAT: CC N.RN.3| N.1.d| N.3.b| N.3.c| N.3.d| A.3.c
TOP: 1-6 Problem 1 Multiplying Real Numbers
reciprocal
22. ANS: B
PTS: 1
DIF: L2
REF: 1-3 Real Numbers and the Number Line
OBJ: 1-3.1 To classify, graph and compare real numbers
NAT: CC N.RN.3| N.1.d| N.1.g| N.1.i| N.2.b| N.2.d
TOP: 1-3 Problem 5 Graphing and Ordering Real Numbers
KEY: rational numbers | real numbers | comparing numbers
KEY: multiplicative inverse |
SHORT ANSWER
23. ANS:
20 weeks
PTS: 1
DIF: L4
REF: 2-2 Solving Two-Step Equations
OBJ: 2-2.1 To solve two-step equations in one variable
NAT: CC A.CED.1| CC A.REI.1| CC A.REI.3| A.4.a| A.4.c
TOP: 2-2 Problem 2 Using an Equation as a Model
KEY: create an equation | isolate | equation in one variable
24. ANS:
Answers will vary
PTS: 1
25. ANS:
72
PTS:
OBJ:
NAT:
KEY:
26. ANS:
40
1
DIF: L3
REF: 1-2 Order of Operations and Evaluating Expressions
1-2.2 To use the order of operations to evaluate expressions
CC A.SSE.1.a| N.3.a| N.5.e
TOP: 1-2 Problem 2 Simplifying a Numerical Expression
power | exponent | base | simplify | evaluate
PTS: 1
DIF: L3
REF: 2-2 Solving Two-Step Equations
OBJ: 2-2.1 To solve two-step equations in one variable
NAT: CC A.CED.1| CC A.REI.1| CC A.REI.3| A.4.a| A.4.c
TOP: 2-2 Problem 3 Solving With Two Terms in the Numerator
KEY: equation in one variable | isolate | inverse operations
27. ANS:
Negative because -3/4 has a bigger absolute value. The sum of a positive and negative number takes the
sign of the number that has the bigger absolute value.
PTS: 1
28. ANS:
-16/3
PTS: 1
PROBLEM
29. ANS:
John’s Age
6
7
8
9
10
n
PTS:
OBJ:
NAT:
Graph
KEY:
Rob’s Age
1
2
3
4
5
n-5
1
DIF: L3
REF: 1-9 Patterns, Equations, and Graphs
1-9.1 To use tables, equations, and graphs to describe relationships
CC A.CED.2| CC A.REI.10| A.1.a TOP: 1-9 Problem 2 Using a Table, an Equation, and a
inductive reasoning
NUMERIC RESPONSE
30. ANS: no
PTS: 1
DIF: L3
REF: 1-8 An Introduction to Equations
OBJ: 1-8.1 To solve equations using tables and mental math
NAT: CC A.CED.1| N.2.b| A.3.b
TOP: 1-8 Problem 2 Identifying Solutions of an Equation
KEY: solution of an equation