Question 1

Which of the following best describes a set that contains no elements?

Accepted Answer

empty set

Question 2

What is the absolute value of $-7$?

Accepted Answer

$7$

Question 3

Which of the following is the correct exponential form for $5 	imes 5 	imes 5$?

Accepted Answer

$5^3$

Question 4

If $a = -3$ and $b = 4$, what is the value of $a + b$?

Accepted Answer

$1$

Question 5

Which of the following inequalities is true?

Accepted Answer

$8 \leq 9$

Question 6

What is the additive inverse of $-12$?

Accepted Answer

$12$

Question 7

Which of the following is the correct evaluation of $(-2)^3$?

Accepted Answer

$-8$

Question 8

A mathematical statement that two quantities are not equal is called a(n):

Accepted Answer

inequality

Question 9

Which of the following is the correct value for $\dfrac{15}{12} \div \dfrac{5}{4}$?

Accepted Answer

$2$

Question 10

If $x$ is a number such that $|x| = 5$, which of the following could be $x$?

Accepted Answer

$-5$

Question 11

Which of the following best describes the set $\{1, 2, 3, 4, 5\}$?

Accepted Answer

finite set

Question 12

What is the result of $-3 	imes (-4)$?

Accepted Answer

$12$

Question 13

Which of the following is the correct way to read the inequality $4 < 5$?

Accepted Answer

4 is less than 5

Question 14

If $x = -2$ and $y = 3$, what is the value of $2x - y$?

Accepted Answer

$-7$

Question 15

Which of the following is the correct value for $(-3)^2$?

Accepted Answer

$9$

Question 16

Which of the following is a true statement?

Accepted Answer

$10 = 2 + 3 + 5$

Question 17

Which of the following is the correct reciprocal of $\dfrac{3}{4}$?

Accepted Answer

$\dfrac{4}{3}$

Question 18

Which of the following is the correct value for $(-2)^4$?

Accepted Answer

$16$

Question 19

If $x = 2$ and $y = -3$, what is the value of $x^2 + y^2$?

Accepted Answer

$13$

Question 20

Which of the following is the correct equivalent statement for $5 < 7$ with the inequality sign reversed?

Accepted Answer

$7 > 5$

Operations on Real Numbers, Exponents, and Inequalities: Study Notes

Study Guide - Practice Questions