Question 1

Multiply.
-$14 \cdot(-4.11)$

Accepted Answer

A)  -57.54 
B)  18.11 
C)  18.21 
D)  9.89 
A)  -57.54 
B)  18.11 
C)  18.21 
D)  9.89

Question 2

Insert  to write a true statement.
-8____9

Accepted Answer

A) $ 8>9$ B) $8<9$ A) $ 8>9$ B) $8<9$

Question 3

Determine whether the statement is true or false.
-$-25 \leq-16$

Accepted Answer

A) True 
 B)False

Question 4

Find the absolute value.
-| $-0.014 \mid$

Accepted Answer

A)  0.028 
B)  -0.014 
C)  0.014 
D)  0 
A)  0.028 
B)  -0.014 
C)  0.014 
D)  0

Question 5

Find the reciprocal, if it exists.
-$\frac{1}{6.3}$

Accepted Answer

A)  -6.3 
B)  6.3 
C)  1 
D)  $\frac{6.3}{0}$ 
A)  -6.3 
B)  6.3 
C)  1 
D)  $\frac{6.3}{0}$

Question 6

List the terms of the expression.
-$12 x+7 y$

Accepted Answer

A)  $12, x, 7, y$ 
B)  $12 x,-7 y$ 
C)  $12 x, 7 y$ 
D)  12,7 
A)  $12, x, 7, y$ 
B)  $12 x,-7 y$ 
C)  $12 x, 7 y$ 
D)  12,7

Question 7

List the terms of the expression.
-$-5+3 a-8 b$

Accepted Answer

A)  $-5,3 a,-8 b$ 
B)  5, 3a, $8 b$ 
C)  $-5,3, a,-8$, b 
D)  3a, $8 b$ 
A)  $-5,3 a,-8 b$ 
B)  5, 3a, $8 b$ 
C)  $-5,3, a,-8$, b 
D)  3a, $8 b$

Question 8

Solve the problem.
-The stock market gained 44 points on Tuesday and lost 33 points on Wednesday. Find the difference between these changes.

Accepted Answer

A)  -77 points 
B)  -11 points 
C)  77 points 
D)  11 points 
A)  -77 points 
B)  -11 points 
C)  77 points 
D)  11 points

Question 9

Substitute to find the value of the expression.
-A train must cover a distance of 2520 miles. The velocity, in miles per hour, of the train is $\frac{2520}{t}$ where $t$ is the time, in hours, to complete the trip. If the train completes the trip in 28 hours, what is its velocity?

Accepted Answer

A)  $70,560 \mathrm{mph}$ 
B)  $0.01 \mathrm{mph}$ 
C)  $90 \mathrm{mph}$ 
D)  $85 \mathrm{mph}$ 
A)  $70,560 \mathrm{mph}$ 
B)  $0.01 \mathrm{mph}$ 
C)  $90 \mathrm{mph}$ 
D)  $85 \mathrm{mph}$

Question 10

Evaluate $-(-x)$ for the given value of $x$.
-$x=-0.338$

Accepted Answer

A)  -0.338 
B)  0.338 
C)  -1 
D)  0 
A)  -0.338 
B)  0.338 
C)  -1 
D)  0

Question 11

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.
-$(x+9)+9$ as $18+x$

Accepted Answer

The answer of Use the commutative and/or associative laws to...

Question 12

Determine whether the statement is true or false.
-$3 \geq 6$

Accepted Answer

A) True 
 B)False

Question 13

List the terms of the expression.
-$-3+7 \mathrm{r}-6 \mathrm{rt}$

Accepted Answer

A)  $-3,7 r,-6 r, t$ 
B)  $-3,7 r,-6 r t$ 
C)  $-3,7 \mathrm{r}, 6 \mathrm{rt}$ 
D)  3, 7r, 6rt 
A)  $-3,7 r,-6 r, t$ 
B)  $-3,7 r,-6 r t$ 
C)  $-3,7 \mathrm{r}, 6 \mathrm{rt}$ 
D)  3, 7r, 6rt

Question 14

Evaluate the expression for the given value of $x$.
-$3 x^{3}, x=-1$

Accepted Answer

A)  3 
B)  -3 
C)  -9 
D)  -27 
A)  3 
B)  -3 
C)  -9 
D)  -27

Question 15

Convert to decimal notation.
-$-\frac{13}{40}$

Accepted Answer

A)  $-0.32 \overline{5}$ 
B)  -0.325 
C)  -0.33 
D)  $-0.3 \overline{25}$ 
A)  $-0.32 \overline{5}$ 
B)  -0.325 
C)  -0.33 
D)  $-0.3 \overline{25}$

Question 16

Add. Do not use a number line except as a check.
-$-58+(-17)$

Accepted Answer

A)  75 
B)  -41 
C)  41 
D)  -75 
A)  75 
B)  -41 
C)  41 
D)  -75

Question 17

Add. Do not use a number line except as a check.
-$-2.8+(-6)+(-5.7)+19$

Accepted Answer

A)  -21.5 
B)  16.5 
C)  15.9 
D)  4.5 
A)  -21.5 
B)  16.5 
C)  15.9 
D)  4.5

Question 18

Factor. Check by multiplying.
-$6 x+15$

Accepted Answer

A)  $6(x+15)$ 
B)  $3(2 x+5)$ 
C)  $6(x+5)$ 
D)  $3(2 x+15)$ 
A)  $6(x+15)$ 
B)  $3(2 x+5)$ 
C)  $6(x+5)$ 
D)  $3(2 x+15)$

Question 19

Simplify.
-$(-3-4)[8+(6+2)]$

Accepted Answer

A)  23 
B)  -64 
C)  -112 
D)  19 
A)  23 
B)  -64 
C)  -112 
D)  19

Question 20

Find an equivalent expression with the given denominator.
-$\frac{5}{9 x}=\frac{?}{9 x y}$

Accepted Answer

A)  $\frac{y}{9 x y}$ 
B)  $\frac{5 x y}{9 x y}$ 
C)  $\frac{45 y}{9 x y}$ 
D)  $\frac{5 y}{9 x y}$ 
A)  $\frac{y}{9 x y}$ 
B)  $\frac{5 x y}{9 x y}$ 
C)  $\frac{45 y}{9 x y}$ 
D)  $\frac{5 y}{9 x y}$

Multiply. - $14 \cdot(-4.11)$

Insert $<$ or $>$ to write a true statement. -8____9

Determine whether the statement is true or false. - $-25 \leq-16$

Find the absolute value. -| $-0.014 \mid$

Find the reciprocal, if it exists. - $\frac{1}{6.3}$

List the terms of the expression. - $12 x+7 y$

List the terms of the expression. - $-5+3 a-8 b$

Solve the problem. -The stock market gained 44 points on Tuesday and lost 33 points on Wednesday. Find the difference between these changes.

Substitute to find the value of the expression. -A train must cover a distance of 2520 miles. The velocity, in miles per hour, of the train is $\frac{2520}{t}$ where $t$ is the time, in hours, to complete the trip. If the train completes the trip in 28 hours, what is its velocity?

Evaluate $-(-x)$ for the given value of $x$ . - $x=-0.338$

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. - $(x+9)+9$ as $18+x$

Determine whether the statement is true or false. - $3 \geq 6$

List the terms of the expression. - $-3+7 \mathrm{r}-6 \mathrm{rt}$

Evaluate the expression for the given value of $x$ . - $3 x^{3}, x=-1$

Convert to decimal notation. - $-\frac{13}{40}$

Add. Do not use a number line except as a check. - $-58+(-17)$

Add. Do not use a number line except as a check. - $-2.8+(-6)+(-5.7)+19$

Factor. Check by multiplying. - $6 x+15$

Simplify. - $(-3-4)[8+(6+2)]$

Find an equivalent expression with the given denominator. - $\frac{5}{9 x}=\frac{?}{9 x y}$

Whole Numbers

Fraction Notation

Decimal Notation

Percent Notation

Data, Graphs, and Statistics

Geometry

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Systems of Equations

Radical Expressions and Equations

Quadratic Equations

Converting Units of Measurement

Filters

Exam 7: Introduction to Real Numbers and Algebraic Expressions

Multiply. - 14⋅(−4.11)14 \cdot(-4.11)14⋅(−4.11)

Insert <<< or >>> to write a true statement. -8____9

Determine whether the statement is true or false. - −25≤−16-25 \leq-16−25≤−16

Find the absolute value. -| −0.014∣-0.014 \mid−0.014∣

Find the reciprocal, if it exists. - 16.3\frac{1}{6.3}6.31​

List the terms of the expression. - 12x+7y12 x+7 y12x+7y

List the terms of the expression. - −5+3a−8b-5+3 a-8 b−5+3a−8b