Question 1

Multiply.
--4 ·(-0.4)·4

Accepted Answer

A) 6.4 
B) 64 
C) -6.4 
D) -64 
A) 6.4 
B) 64 
C) -6.4 
D) -64

Question 2

State the real number that corresponds to the situation.
-$\frac { 11 } { 6 }$

Accepted Answer

A)  $1 . \overline { 833 }$ 
B)  $1 . \overline { 83 }$ 
C)  $1.8$ 
D)  $1.8 \overline { 3 }$ 
A)  $1 . \overline { 833 }$ 
B)  $1 . \overline { 83 }$ 
C)  $1.8$ 
D)  $1.8 \overline { 3 }$

Question 3

Add. Do not use a number line except as a check.
--1.2 + (-4.1)+ 3.4

Accepted Answer

A) -0.5 
B) 6.3 
C) -8.7 
D) -1.9 
A) -0.5 
B) 6.3 
C) -8.7 
D) -1.9

Question 4

Simplify.
-$\frac { 48 a } { 96 a }$

Accepted Answer

A)  $\frac { 1 } { 24 } a$ 
B)  $\frac { 1 } { 2 } a$ 
C)  12 
D)  $\frac { 1 } { 2 }$ 
A)  $\frac { 1 } { 24 } a$ 
B)  $\frac { 1 } { 2 } a$ 
C)  12 
D)  $\frac { 1 } { 2 }$

Question 5

Evaluate.
-$\frac { p } { q }$, when $p = 16$ and $q = 4$

Accepted Answer

A)  5 
B)  $4 \frac { 1 } { 4 }$ 
C)  3 
D)  4 
A)  5 
B)  $4 \frac { 1 } { 4 }$ 
C)  3 
D)  4

Question 6

State the real number that corresponds to the situation.
-$- \frac { 5 } { 4 }$

Accepted Answer

A)  $- 0.125$ 
B)  $- 1.25$ 
C)  $- 0 . \overline { 125 }$ 
D)  $- 0.625$ 
A)  $- 0.125$ 
B)  $- 1.25$ 
C)  $- 0 . \overline { 125 }$ 
D)  $- 0.625$

Question 7

Evaluate -x for the given value of x.
-x = -7.2

Accepted Answer

A) 7.2 
B)  $$- \frac { 1 } { 7.2 }$$ 
C) -7.2 
D) 0 
A) 7.2 
B)  $$- \frac { 1 } { 7.2 }$$ 
C) -7.2 
D) 0

Question 8

Solve the problem.
-In a certain location, the highest temperature recorded was 100°F. The lowest temperature recorded was 126 degrees less than the highest. What was the lowest temperature?

Accepted Answer

A) -138°F 
B) 26°F 
C) 0°F 
D) -26°F 
A) -138°F 
B) 26°F 
C) 0°F 
D) -26°F

Question 9

Find the opposite, or additive inverse.
-30

Accepted Answer

A) 30 
B) $\frac { 1 } { 30 }$ 
C) 0 
D)  -30 
A) 30 
B) $\frac { 1 } { 30 }$ 
C) 0 
D)  -30

Question 10

Add. Do not use a number line except as a check.
--66 + 0

Accepted Answer

A) -660 
B) -66 
C) 0 
D) 66 
A) -660 
B) -66 
C) 0 
D) 66

Question 11

Multiply.
--6 ·(-10)·(-3)·10 ·(-8)

Accepted Answer

A) -17 
B) -14,400 
C) 14,400 
D) -1792 
A) -17 
B) -14,400 
C) 14,400 
D) -1792

Question 12

Translate to an algebraic expression.
-Monica had $31 before spending y dollars for a snack. How much money remains?

Accepted Answer

A) $31 + y 
B) $31y 
C) $31 - y 
D) y - $31 
A) $31 + y 
B) $31y 
C) $31 - y 
D) y - $31

Question 13

Factor. Check by multiplying.
-$5 m - 15 n + 35$

Accepted Answer

A)  $15 ( 5 m - n + 35 )$ 
B)  $5 ( m - 15 n + 35 )$ 
C)  $5 ( m - 3 n + 7 )$ 
D)  $5 ( m - 3 n + 35 )$ 
A)  $15 ( 5 m - n + 35 )$ 
B)  $5 ( m - 15 n + 35 )$ 
C)  $5 ( m - 3 n + 7 )$ 
D)  $5 ( m - 3 n + 35 )$

Question 14

Find an equivalent expression without parentheses.
--(-3 + 8y)

Accepted Answer

A) 3 - 8y 
B) 24y 
C) -3 + 8y 
D) 3 + 8y 
A) 3 - 8y 
B) 24y 
C) -3 + 8y 
D) 3 + 8y

Question 15

Divide, if possible.
-$\frac { - 162 } { - 81 }$

Accepted Answer

A)  $- 2$ 
B)  2 
C)  $- 9$ 
D)  $\frac { 1 } { 2 }$ 
A)  $- 2$ 
B)  2 
C)  $- 9$ 
D)  $\frac { 1 } { 2 }$

Question 16

Multiply.
--6 ·(-9)·(-8)

Accepted Answer

A) -23 
B) 62 
C) 432 
D) -432 
A) -23 
B) 62 
C) 432 
D) -432

Question 17

State the real number that corresponds to the situation.
-$\frac { 2 } { 9 }$

Accepted Answer

A)  $0.2$ 
B)  $0 . \overline { 6 }$ 
C)  $0 . \overline { 2 }$ 
D)  $2 . \overline { 2 }$ 
A)  $0.2$ 
B)  $0 . \overline { 6 }$ 
C)  $0 . \overline { 2 }$ 
D)  $2 . \overline { 2 }$

Question 18

Simplify.
-7 + (-4)- (-18)- 1 + 20

Accepted Answer

A) 40 
B) -26 
C) 6 
D) 42 
A) 40 
B) -26 
C) 6 
D) 42

Question 19

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.
-(x + 6)+ y as 6 + (x + y)

Accepted Answer

@#LAT-DLM& Using the commutati

Question 20

Divide, if possible.
-$\frac { - 24 } { 3 }$

Accepted Answer

A)  - 18 
B)  $- 8$ 
C)  $- \frac { 1 } { 8 }$ 
D)  8 
A)  - 18 
B)  $- 8$ 
C)  $- \frac { 1 } { 8 }$ 
D)  8

Multiply. --4 ·(-0.4)·4

State the real number that corresponds to the situation. - $\frac { 11 } { 6 }$

Add. Do not use a number line except as a check. --1.2 + (-4.1)+ 3.4

Simplify. - $\frac { 48 a } { 96 a }$

Evaluate. - $\frac { p } { q }$ , when $p = 16$ and $q = 4$

State the real number that corresponds to the situation. - $- \frac { 5 } { 4 }$

Evaluate -x for the given value of x. -x = -7.2

Solve the problem. -In a certain location, the highest temperature recorded was 100°F. The lowest temperature recorded was 126 degrees less than the highest. What was the lowest temperature?

Find the opposite, or additive inverse. -30

Add. Do not use a number line except as a check. --66 + 0

Multiply. --6 ·(-10)·(-3)·10 ·(-8)

Translate to an algebraic expression. -Monica had $31 before spending y dollars for a snack. How much money remains?

Factor. Check by multiplying. - $5 m - 15 n + 35$

Find an equivalent expression without parentheses. --(-3 + 8y)

Divide, if possible. - $\frac { - 162 } { - 81 }$

Multiply. --6 ·(-9)·(-8)

State the real number that corresponds to the situation. - $\frac { 2 } { 9 }$

Simplify. -7 + (-4)- (-18)- 1 + 20

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. -(x + 6)+ y as 6 + (x + y)

Divide, if possible. - $\frac { - 24 } { 3 }$

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Exam 1: Introduction to Real Numbers and Algebraic Expressions