Question 1

Simplify.
-$\frac { 12 y z } { 13 z }$

Accepted Answer

A)  $- \frac { y } { 8 z }$ 
B)  $- \frac { 12 } { 8 y }$ 
C)  $\frac { 12 y } { 13 }$ 
D)  $\frac { y } { 8 z }$ 
A)  $- \frac { y } { 8 z }$ 
B)  $- \frac { 12 } { 8 y }$ 
C)  $\frac { 12 y } { 13 }$ 
D)  $\frac { y } { 8 z }$

Question 2

Determine whether the statement is true or false.
-5 < 3

Accepted Answer

A) True 
 B)False

Question 3

Evaluate -x for the given value of x.
-x = 2

Accepted Answer

A) 0 
B) -2 
C) -3 
D) 2 
A) 0 
B) -2 
C) -3 
D) 2

Question 4

Multiply.
-$\left( \frac { 3 } { 8 } \right) \left( - \frac { 19 } { 20 } \right)$

Accepted Answer

A)  $\frac { 3 } { 160 }$ 
B)  $- \frac { 4 } { 7 }$ 
C)  $- \frac { 57 } { 160 }$ 
D)  $- \frac { 38 } { 15 }$ 
A)  $\frac { 3 } { 160 }$ 
B)  $- \frac { 4 } { 7 }$ 
C)  $- \frac { 57 } { 160 }$ 
D)  $- \frac { 38 } { 15 }$

Question 5

Simplify.
-3.1 - (-16.1)- (-17.0)

Accepted Answer

A) 4.0 
B) -36.2 
C) 36.2 
D) -30.0 
A) 4.0 
B) -36.2 
C) 36.2 
D) -30.0

Question 6

Translate the phrase to an algebraic expression.
-x increased by three

Accepted Answer

A) 3 
B) 3x 
C) x + 3 
D) x - 3 
A) 3 
B) 3x 
C) x + 3 
D) x - 3

Question 7

Evaluate -x for the given value of x.
-$$x = 32.1$$

Accepted Answer

A)  $\frac { 10 } { 321 }$ 
B)  32 
C)  $32.1$ 
D)  $- 32.1$ 
A)  $\frac { 10 } { 321 }$ 
B)  32 
C)  $32.1$ 
D)  $- 32.1$

Question 8

Find the opposite, or additive inverse.
-$\frac { 17 } { 6 }$

Accepted Answer

A)  $- \frac { 17 } { 6 }$ 
B)  $- \frac { 6 } { 17 }$ 
C)  $\frac { 17 } { 6 }$ 
D)  $\frac { 6 } { 17 }$ 
A)  $- \frac { 17 } { 6 }$ 
B)  $- \frac { 6 } { 17 }$ 
C)  $\frac { 17 } { 6 }$ 
D)  $\frac { 6 } { 17 }$

Question 9

Write an equivalent expression. Use a commutative law.
-wx

Accepted Answer

A)  $w \div x$ 
B)  $\times w$ 
C)  $w + x$ 
D)  $\frac { 1 } { W X }$ 
A)  $w \div x$ 
B)  $\times w$ 
C)  $w + x$ 
D)  $\frac { 1 } { W X }$

Question 10

State the real number that corresponds to the situation.
-The stock market lost 19 points on Monday.

Accepted Answer

A) -19 
B) 19 
A) -19 
B) 19

Question 11

Solve the problem.
-Annica owes $646.91 on her charge card. She returns for credit items costing $37.22 and $48.94. She makes a purchase for $32.39 and additional purchases of $15.05, $104.25, and $132.39. She then makes a payment of
$546.56. Find the amount she now owes.

Accepted Answer

A) $823.23 
B) $995.55 
C) $470.59 
D) $298.27 
A) $823.23 
B) $995.55 
C) $470.59 
D) $298.27

Question 12

Translate the phrase to an algebraic expression.
-Two times x

Accepted Answer

A)  $2 - x$ 
B)  $2 + x$ 
C)  $2 x$ 
D)  $\frac { 2 } { x }$ 
A)  $2 - x$ 
B)  $2 + x$ 
C)  $2 x$ 
D)  $\frac { 2 } { x }$

Question 13

Choose the expression that is equivalent to the following: $1 \left( 6 x ^ { 3 } \right)$

Accepted Answer

A)  $6 x ^ { 3 }$ 
B)  $7 x ^ { 3 }$ 
C)  1 
D)  $6 x ^ { 4 }$ 
A)  $6 x ^ { 3 }$ 
B)  $7 x ^ { 3 }$ 
C)  1 
D)  $6 x ^ { 4 }$

Question 14

Simplify.
--7 + 6 - 20 - (-8)

Accepted Answer

A) -13 
B) -29 
C) -1 
D) 11 
A) -13 
B) -29 
C) -1 
D) 11

Question 15

Add. Do not use a number line except as a check.
-2.1 + (-6.4)

Accepted Answer

A) 4.3 
B) -8.5 
C) -4.3 
D) 8.5 
A) 4.3 
B) -8.5 
C) -4.3 
D) 8.5

Question 16

Add. Do not use a number line except as a check.
-$- \frac { 1 } { 7 } + \frac { 3 } { 7 }$

Accepted Answer

A)  $- \frac { 2 } { 7 }$ 
B)  $\frac { 2 } { 7 }$ 
C)  $\frac { 4 } { 7 }$ 
D)  $- \frac { 4 } { 7 }$ 
A)  $- \frac { 2 } { 7 }$ 
B)  $\frac { 2 } { 7 }$ 
C)  $\frac { 4 } { 7 }$ 
D)  $- \frac { 4 } { 7 }$

Question 17

Divide, if possible.
-$\frac { 60 } { - 30 }$

Accepted Answer

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

Question 18

Factor. Check by multiplying.
-21x + 15

Accepted Answer

A) 21(x + 5) 
B) 21(x + 15) 
C) 3(7x + 5) 
D) 3(7x + 15) 
A) 21(x + 5) 
B) 21(x + 15) 
C) 3(7x + 5) 
D) 3(7x + 15)

Question 19

Subtract.
--5.4 - 12.0

Accepted Answer

A) -17.4 
B) 6.6 
C) 17.4 
D) -6.6 
A) -17.4 
B) 6.6 
C) 17.4 
D) -6.6

Question 20

Write an equivalent expression. Use an associative law.
-$6 ( \mathrm { np } )$

Accepted Answer

A)  $( 6 n ) p$ 
B)  $6 ( n + p )$ 
C)  $6 ( p n )$ 
D)  $6 n + 6 p$ 
A)  $( 6 n ) p$ 
B)  $6 ( n + p )$ 
C)  $6 ( p n )$ 
D)  $6 n + 6 p$

Simplify. - $\frac { 12 y z } { 13 z }$

Determine whether the statement is true or false. -5 < 3

Evaluate -x for the given value of x. -x = 2

Multiply. - $\left( \frac { 3 } { 8 } \right) \left( - \frac { 19 } { 20 } \right)$

Simplify. -3.1 - (-16.1)- (-17.0)

Translate the phrase to an algebraic expression. -x increased by three

Evaluate -x for the given value of x. - $x = 32.1$

Find the opposite, or additive inverse. - $\frac { 17 } { 6 }$

Write an equivalent expression. Use a commutative law. -wx

State the real number that corresponds to the situation. -The stock market lost 19 points on Monday.

Solve the problem. -Annica owes $646.91 on her charge card. She returns for credit items costing $37.22 and $48.94. She makes a purchase for $32.39 and additional purchases of $15.05, $104.25, and $132.39. She then makes a payment of $546.56. Find the amount she now owes.

Translate the phrase to an algebraic expression. -Two times x

Choose the expression that is equivalent to the following: $1 \left( 6 x ^ { 3 } \right)$

Simplify. --7 + 6 - 20 - (-8)

Add. Do not use a number line except as a check. -2.1 + (-6.4)

Add. Do not use a number line except as a check. - $- \frac { 1 } { 7 } + \frac { 3 } { 7 }$

Divide, if possible. - $\frac { 60 } { - 30 }$

Factor. Check by multiplying. -21x + 15

Subtract. --5.4 - 12.0

Write an equivalent expression. Use an associative law. - $6 ( \mathrm { np } )$

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

Simplify. - 12yz13z\frac { 12 y z } { 13 z }13z12yz​

Determine whether the statement is true or false. -5 < 3

Evaluate -x for the given value of x. -x = 2

Multiply. - (38)(−1920)\left( \frac { 3 } { 8 } \right) \left( - \frac { 19 } { 20 } \right)(83​)(−2019​)

Simplify. -3.1 - (-16.1)- (-17.0)

Translate the phrase to an algebraic expression. -x increased by three

Evaluate -x for the given value of x. - x=32.1x = 32.1x=32.1

Find the opposite, or additive inverse. - 176\frac { 17 } { 6 }617​

Write an equivalent expression. Use a commutative law. -wx

State the real number that corresponds to the situation. -The stock market lost 19 points on Monday.

Solve the problem. -Annica owes $646.91 on her charge card. She returns for credit items costing $37.22 and $48.94. She makes a purchase for $32.39 and additional purchases of $15.05, $104.25, and $132.39. She then makes a payment of $546.56. Find the amount she now owes.

Translate the phrase to an algebraic expression. -Two times x

Choose the expression that is equivalent to the following: 1(6x3)1 \left( 6 x ^ { 3 } \right)1(6x3)

Simplify. --7 + 6 - 20 - (-8)

Add. Do not use a number line except as a check. -2.1 + (-6.4)

Add. Do not use a number line except as a check. - −17+37- \frac { 1 } { 7 } + \frac { 3 } { 7 }−71​+73​

Divide, if possible. - 60−30\frac { 60 } { - 30 }−3060​

Factor. Check by multiplying. -21x + 15

Subtract. --5.4 - 12.0

Write an equivalent expression. Use an associative law. - 6(np)6 ( \mathrm { np } )6(np)

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

Simplify. - $\frac { 12 y z } { 13 z }$

Multiply. - $\left( \frac { 3 } { 8 } \right) \left( - \frac { 19 } { 20 } \right)$

Evaluate -x for the given value of x. - $x = 32.1$

Find the opposite, or additive inverse. - $\frac { 17 } { 6 }$

Choose the expression that is equivalent to the following: $1 \left( 6 x ^ { 3 } \right)$

Add. Do not use a number line except as a check. - $- \frac { 1 } { 7 } + \frac { 3 } { 7 }$

Divide, if possible. - $\frac { 60 } { - 30 }$

Write an equivalent expression. Use an associative law. - $6 ( \mathrm { np } )$