Question 1

Find the square root, rounded to hundredths if necessary.
-$\sqrt { 0.0888 }$

Accepted Answer

A)  $0.33$ 
B)  $0.09$ 
C)  $0.31$ 
D)  $0.30$ 
A)  $0.33$ 
B)  $0.09$ 
C)  $0.31$ 
D)  $0.30$

Question 2

Solve the problem.
-Crafty Bill's Cool Car Sales opened as a used car sales lot in 2006. The graph shows the number of cars sold as a function of time. What is the approximate number of cars sold in 2008?

Accepted Answer

A) 500 
B) 250 
C) 600 
D) 650 
A) 500 
B) 250 
C) 600 
D) 650

Question 3

Solve the equation.
-3x + 23 = 2x + 100

Accepted Answer

A) 125 
B) 76 
C) 123 
D) 77 
A) 125 
B) 76 
C) 123 
D) 77

Question 4

Tell whether the relation is reflexive, symmetric, or transitive on the set of all people. Also tell whether the relation is an equivalence relation.
-"Is the same weight as"

Accepted Answer

A) Reflexive, symmetric and transitive; equivalence relation 
B) Reflexive and transitive; not an equivalence relation 
C) Symmetric and transitive; not an equivalence relation 
D) Reflexive and symmetric; not an equivalence relation 
A) Reflexive, symmetric and transitive; equivalence relation 
B) Reflexive and transitive; not an equivalence relation 
C) Symmetric and transitive; not an equivalence relation 
D) Reflexive and symmetric; not an equivalence relation

Question 5

Find the square root, rounded to hundredths if necessary.
-$\sqrt { 529 }$

Accepted Answer

A)  24 
B)  25 
C)  23 
D)  46 
A)  24 
B)  25 
C)  23 
D)  46

Question 6

Simplify the radical.
-$\sqrt { 75 }$

Accepted Answer

A)  $25 \sqrt { 3 }$ 
B)  5 
C)  8 
D)  $5 \sqrt { 3 }$ 
A)  $25 \sqrt { 3 }$ 
B)  5 
C)  8 
D)  $5 \sqrt { 3 }$

Question 7

Solve for x, where x is a real number.
-$$3 ^ { x } = 27$$

Accepted Answer

A)  2 
B)  9 
C)  4 
D)  3 
A)  2 
B)  9 
C)  4 
D)  3

Question 8

If R is the set of real numbers, Q is the set of rational numbers, I is the set of integers, N is the set of natural numbers, and S is the set of irrational numbers, list the set(s)to which the given number belongs. If the number does not belong to any,
state none.
-$- 12.2$

Accepted Answer

A)  $\mathrm { S } , \mathrm { R }$ 
B)  $N , Q , R$ 
C)  I, Q, R 
D)  $Q , R$ 
A)  $\mathrm { S } , \mathrm { R }$ 
B)  $N , Q , R$ 
C)  I, Q, R 
D)  $Q , R$

Question 9

Classify the following number as rational or irrational.
-$( \sqrt { 7 } ) ^ { - 7 }$

Accepted Answer

A)  Irrational 
B)  Rational 
A)  Irrational 
B)  Rational

Question 10

Solve the problem.
-A cable company charges by the number of movie channels a subscriber chooses. The cost is given by 11.90 + 3.70x, where x is the number of movie channels. What is the cost for 2 movie channels.

Accepted Answer

A) $27.50 
B) $88.06 
C) $31.20 
D) $19.30 
A) $27.50 
B) $88.06 
C) $31.20 
D) $19.30

Question 11

Tell whether the relation is reflexive, symmetric, or transitive on the set of all people. Also tell whether the relation is an equivalence relation.
-"Lives next door to"

Accepted Answer

A) Reflexive and symmetric; not an equivalence relation 
B) Transitive; not an equivalence relation 
C) Symmetric; not an equivalence relation 
D) Symmetric and transitive; equivalence relation 
A) Reflexive and symmetric; not an equivalence relation 
B) Transitive; not an equivalence relation 
C) Symmetric; not an equivalence relation 
D) Symmetric and transitive; equivalence relation

Find the square root, rounded to hundredths if necessary. - $\sqrt { 0.0888 }$

Solve the problem. -Crafty Bill's Cool Car Sales opened as a used car sales lot in 2006. The graph shows the number of cars sold as a function of time. What is the approximate number of cars sold in 2008?

Solve the equation. -3x + 23 = 2x + 100

Tell whether the relation is reflexive, symmetric, or transitive on the set of all people. Also tell whether the relation is an equivalence relation. -"Is the same weight as"

Find the square root, rounded to hundredths if necessary. - $\sqrt { 529 }$

Simplify the radical. - $\sqrt { 75 }$

Solve for x, where x is a real number. - $3 ^ { x } = 27$

If R is the set of real numbers, Q is the set of rational numbers, I is the set of integers, N is the set of natural numbers, and S is the set of irrational numbers, list the set(s)to which the given number belongs. If the number does not belong to any, state none. - $- 12.2$

Classify the following number as rational or irrational. - $( \sqrt { 7 } ) ^ { - 7 }$

Solve the problem. -A cable company charges by the number of movie channels a subscriber chooses. The cost is given by 11.90 + 3.70x, where x is the number of movie channels. What is the cost for 2 movie channels.

Tell whether the relation is reflexive, symmetric, or transitive on the set of all people. Also tell whether the relation is an equivalence relation. -"Lives next door to"

An Introduction to Problem Solving

Introduction to Logic and Sets

Numeration Systems and Whole Number Operations

Number Theory

Integers

Rational Numbers and Proportional Reasoning

Rational Numbers As Decimals and Percents

Probability

Data Analysisstatistics: an Introduction

Introductory Geometry

Congruence and Similarity With Constructions

Congruence and Similarity With Transformations

Area, Pythagorean Theorem, and Volume

Filters

Exam 8: Real Numbers and Algebraic Thinking

Find the square root, rounded to hundredths if necessary. - 0.0888\sqrt { 0.0888 }0.0888​