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 $$4 \u003c 5$$?

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 $$5 \u003c 7$$ with the inequality sign reversed?

Accepted Answer

$$7 \u003e 5$$

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

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