Question 1

Evaluate -(-x) for the given value of x.
-$$x = - \frac { 1 } { 47 }$$

Accepted Answer

A)  47 
B)  $\frac { 1 } { 47 }$ 
C)  $- 47$ 
D)  $- \frac { 1 } { 47 }$ 
A)  47 
B)  $\frac { 1 } { 47 }$ 
C)  $- 47$ 
D)  $- \frac { 1 } { 47 }$ D

Question 2

Simplify.
-$- \frac { 19 } { 24 } + \frac { 4 } { 9 } - \left( - \frac { 1 } { 6 } \right) + \frac { 1 } { 3 }$

Accepted Answer

A)  $- \frac { 13 } { 72 }$ 
B)  $\frac { 11 } { 72 }$ 
C)  $\frac { 101 } { 72 }$ 
D)  $\frac { 11 } { 60 }$ 
A)  $- \frac { 13 } { 72 }$ 
B)  $\frac { 11 } { 72 }$ 
C)  $\frac { 101 } { 72 }$ 
D)  $\frac { 11 } { 60 }$ B

Question 3

Add. Do not use a number line except as a check.
-7 + (-35)

Accepted Answer

A) -28 
B) 28 
C) -42 
D) 42 
A) -28 
B) 28 
C) -42 
D) 42 A

Question 4

Evaluate.
-$\frac { 9 \mathrm {~m} } { \mathrm { n } }$, when $\mathrm { m } = 20$ and $\mathrm { n } = 4$

Accepted Answer

A)  5 
B)  45 
C)  9 
D)  90 
A)  5 
B)  45 
C)  9 
D)  90

Question 5

Write an equivalent expression. Use an associative law.
-2(ab)

Accepted Answer

A) 2a + 2b 
B) 2(ba) 
C) a(2b) 
D) (2a)b 
A) 2a + 2b 
B) 2(ba) 
C) a(2b) 
D) (2a)b

Question 6

Write an equivalent expression. Use a commutative law.
-$y + 16$

Accepted Answer

A)  $16 + y$ 
B)  $16 ( y + 1 )$ 
C)  y16 
D)  $16 y$ 
A)  $16 + y$ 
B)  $16 ( y + 1 )$ 
C)  y16 
D)  $16 y$

Question 7

Simplify.
-$- | - 9 | - | - 16 - 4 |$

Accepted Answer

A)  11 
B)  $- 11$ 
C)  29 
D)  $- 29$ 
A)  11 
B)  $- 11$ 
C)  29 
D)  $- 29$

Question 8

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.
-(x + 4)+ 4 as 8 + x

Accepted Answer

\[\begin{array}{l}
( x + 4 ) +

Question 9

Solve the problem.
-The attendance at 3 games of a major sporting event fluctuated above and below the average according to the following table. What was the net change from the average attendance after these three games?
$ \begin{array}{lc}\text { Game } & \text { Gain/Loss in Attendance } \ \# 1 & -3500 \ \# 2 & 5911 \ \# 3 & -2041\end{array} $

Accepted Answer

A)  370 
B)  $- 11,452$ 
C)  $- 7370$ 
D)  4452 
A)  370 
B)  $- 11,452$ 
C)  $- 7370$ 
D)  4452

Question 10

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.
-(y + z)+ 2 as (2 + z)+ y

Accepted Answer

\[\begin{array}{l}
( \mathrm { y } + \ma

Question 11

Insert  to write a true statement.
-$0.444$_____-1

Accepted Answer

A) 0.444 > 1 B) $0.444 < 1$ A) 0.444 > 1 B) $0.444 < 1$

Question 12

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.
-s(t3)as 3(ts)

Accepted Answer

\[\begin{aligned}
\mathrm { s } ( \mathr

Question 13

Collect like terms.
-$$\frac { 7 } { 3 } x + \frac { 5 } { 6 } y - \frac { 1 } { 3 } x - \frac { 1 } { 3 } y + 19$$

Accepted Answer

A)  $\frac { 7 } { 9 } x + \frac { 5 } { 18 } y + 19$ 
B)  $2 x + \frac { 2 } { 3 } y + 19$ 
C)  $2 x + \frac { 7 } { 6 } y + 19$ 
D)  $2 x + \frac { 1 } { 2 } y + 19$ 
A)  $\frac { 7 } { 9 } x + \frac { 5 } { 18 } y + 19$ 
B)  $2 x + \frac { 2 } { 3 } y + 19$ 
C)  $2 x + \frac { 7 } { 6 } y + 19$ 
D)  $2 x + \frac { 1 } { 2 } y + 19$

Question 14

Multiply.
--1.07 · (-2.3)

Accepted Answer

A) -3.37 
B) -1.23 
C) 2.461 
D) 3.37 
A) -3.37 
B) -1.23 
C) 2.461 
D) 3.37

Question 15

Find the absolute value.
-$\left| - 8 \frac { 3 } { 10 } \right|$

Accepted Answer

A)  0 
B)  $- 8 \frac { 3 } { 10 }$ 
C)  $8 \frac { 3 } { 10 }$ 
D)  $- 16 \frac { 3 } { 10 }$ 
A)  0 
B)  $- 8 \frac { 3 } { 10 }$ 
C)  $8 \frac { 3 } { 10 }$ 
D)  $- 16 \frac { 3 } { 10 }$

Question 16

Factor. Check by multiplying.
-ar - as + at

Accepted Answer

A) ar(1 - s + t) 
B) r(a - s + t) 
C) a(r + s + t) 
D) a(r - s + t) 
A) ar(1 - s + t) 
B) r(a - s + t) 
C) a(r + s + t) 
D) a(r - s + t)

Question 17

State the real number that corresponds to the situation.
-$\frac { 5 } { 16 }$

Accepted Answer

A)  $0.9375$ 
B)  $0.3125$ 
C)  $0.625$ 
D)  $0.45$ 
A)  $0.9375$ 
B)  $0.3125$ 
C)  $0.625$ 
D)  $0.45$

Question 18

Solve the problem.
-John earns $9.69/hour. If he works 10 hours, how much will he earn?

Accepted Answer

A) $96.90 
B) $98.00 
C) $97.00 
D) $96.91 
A) $96.90 
B) $98.00 
C) $97.00 
D) $96.91

Question 19

State the real number that corresponds to the situation.
-Sales at Andrea's Formal Wear Shop were $5209 less this week than the sales last week.

Accepted Answer

A) -5209 
B) 5209 
A) -5209 
B) 5209

Question 20

Add. Do not use a number line except as a check.
-426 + (-40)+ 26 + (-492)+ (-65)+ 216

Accepted Answer

A) 71 
B) 201 
C) -71 
D) -1265 
A) 71 
B) 201 
C) -71 
D) -1265

Evaluate -(-x) for the given value of x. - $x = - \frac { 1 } { 47 }$

Simplify. - $- \frac { 19 } { 24 } + \frac { 4 } { 9 } - \left( - \frac { 1 } { 6 } \right) + \frac { 1 } { 3 }$

Add. Do not use a number line except as a check. -7 + (-35)

Evaluate. - $\frac { 9 \mathrm {~m} } { \mathrm { n } }$ , when $\mathrm { m } = 20$ and $\mathrm { n } = 4$

Write an equivalent expression. Use an associative law. -2(ab)

Write an equivalent expression. Use a commutative law. - $y + 16$

Simplify. - $- | - 9 | - | - 16 - 4 |$

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. -(x + 4)+ 4 as 8 + x

Solve the problem. -The attendance at 3 games of a major sporting event fluctuated above and below the average according to the following table. What was the net change from the average attendance after these three games? Game Gain/Loss in Attendance \#1 -3500 \#2 5911 \#3 -2041

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. -(y + z)+ 2 as (2 + z)+ y

Insert < or > to write a true statement. - $0.444$ _____-1

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. -s(t3)as 3(ts)

Collect like terms. - $\frac { 7 } { 3 } x + \frac { 5 } { 6 } y - \frac { 1 } { 3 } x - \frac { 1 } { 3 } y + 19$

Multiply. --1.07 · (-2.3)

Find the absolute value. - $\left| - 8 \frac { 3 } { 10 } \right|$

Factor. Check by multiplying. -ar - as + at

State the real number that corresponds to the situation. - $\frac { 5 } { 16 }$

Solve the problem. -John earns $9.69/hour. If he works 10 hours, how much will he earn?

State the real number that corresponds to the situation. -Sales at Andrea's Formal Wear Shop were $5209 less this week than the sales last week.

Add. Do not use a number line except as a check. -426 + (-40)+ 26 + (-492)+ (-65)+ 216

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Graphs, Functions, and Applications

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Filters

Exam 1: Introduction to Real Numbers and Algebraic Expressions

Evaluate -(-x) for the given value of x. - x=−147x = - \frac { 1 } { 47 }x=−471​

Simplify. - −1924+49−(−16)+13- \frac { 19 } { 24 } + \frac { 4 } { 9 } - \left( - \frac { 1 } { 6 } \right) + \frac { 1 } { 3 }−2419​+94​−(−61​)+31​