Question 1

Use a calculator to approximate to three decimal places.
-

Accepted Answer

A)  - 30.430 
B)  - 30.417 
C)  30.445 
D)  30 
A)  - 30.430 
B)  - 30.417 
C)  30.445 
D)  30 A

Question 2

Rationalize the denominator. Assume that no radicands were formed by raising negative numbers to even powers.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)    B

Question 3

Rewrite without rational exponents, and simplify, if possible.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)    A

Question 4

Identify the radicand.
-

Accepted Answer

A)  8ab 
B)    
C)    
D)    
A)  8ab 
B)    
C)    
D)

Question 5

Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by
raising negative numbers to even powers.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 6

Find the following. Assume that letters can represent any real number.
-

Accepted Answer

A)  a + b 
B)    
C)    
D)    
A)  a + b 
B)    
C)    
D)

Question 7

Identify the radicand.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 8

Rationalize the denominator. Assume that no radicands were formed by raising negative numbers to even powers.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 9

Use rational exponents to write a single radical expression.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 10

Multiply and simplify. Assume no radicands were formed by raising negative numbers to even powers.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 11

Rewrite with positive exponents, and simplify, if possible.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 12

Solve.
-

Accepted Answer

A)  41 
B)  36 
C)  121 
D)  31 
A)  41 
B)  36 
C)  121 
D)  31

Question 13

Multiply and simplify. Assume no radicands were formed by raising negative numbers to even powers.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 14

Rewrite with positive exponents, and simplify, if possible.
-7-2/3

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 15

Answer the question.
-A retailer finds that total costs per day are given by c =   + 169, where c is cost and n is units sold. What is c when no units are sold?

Accepted Answer

A)  $169 
B)  $52 
C)  $208 
D)  $185 
A)  $169 
B)  $52 
C)  $208 
D)  $185

Question 16

Solve.
-

Accepted Answer

A)  3 
B)  -3, -1 
C)  No solution 
D)  3, -1 
A)  3 
B)  -3, -1 
C)  No solution 
D)  3, -1

Question 17

Solve.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 18

Multiply and simplify. Assume no radicands were formed by raising negative numbers to even powers.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 19

Use the laws of exponents to simplify. Write the answer with positive exponents.
-

Accepted Answer

A)  5 
B)    
C)    
D)    
A)  5 
B)    
C)    
D)

Question 20

Find the domain of f.
-f(x) =

Accepted Answer

A)    
B)    
C)  All real numbers 
D)    
A)    
B)    
C)  All real numbers 
D)

Use a calculator to approximate to three decimal places. -

Rationalize the denominator. Assume that no radicands were formed by raising negative numbers to even powers. -

Rewrite without rational exponents, and simplify, if possible. -

Identify the radicand. -

Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers. -

Find the following. Assume that letters can represent any real number. -

Identify the radicand. -

Rationalize the denominator. Assume that no radicands were formed by raising negative numbers to even powers. -

Use rational exponents to write a single radical expression. -

Multiply and simplify. Assume no radicands were formed by raising negative numbers to even powers. -

Rewrite with positive exponents, and simplify, if possible. -

Solve. -

Multiply and simplify. Assume no radicands were formed by raising negative numbers to even powers. -

Rewrite with positive exponents, and simplify, if possible. -7-2/3

Answer the question. -A retailer finds that total costs per day are given by c = + 169, where c is cost and n is units sold. What is c when no units are sold?

Solve. -

Solve. -

Multiply and simplify. Assume no radicands were formed by raising negative numbers to even powers. -

Use the laws of exponents to simplify. Write the answer with positive exponents. -

Find the domain of f. -f(x) =

Introduction

Introduction to Real Numbers and Algebraic Expressions

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

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

Filters

Exam 11: Radical Expressions, Equations, and Functions

Use a calculator to approximate to three decimal places. -

Rationalize the denominator. Assume that no radicands were formed by raising negative numbers to even powers. -

Rewrite without rational exponents, and simplify, if possible. -

Identify the radicand. -

Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers. -

Find the following. Assume that letters can represent any real number. -

Identify the radicand. -

Rationalize the denominator. Assume that no radicands were formed by raising negative numbers to even powers. -

Use rational exponents to write a single radical expression. -

Multiply and simplify. Assume no radicands were formed by raising negative numbers to even powers. -

Rewrite with positive exponents, and simplify, if possible. -

Solve. -

Multiply and simplify. Assume no radicands were formed by raising negative numbers to even powers. -

Rewrite with positive exponents, and simplify, if possible. -7-2/3

Answer the question. -A retailer finds that total costs per day are given by c = + 169, where c is cost and n is units sold. What is c when no units are sold?

Solve. -

Solve. -

Multiply and simplify. Assume no radicands were formed by raising negative numbers to even powers. -

Use the laws of exponents to simplify. Write the answer with positive exponents. -

Find the domain of f. -f(x) =

Introduction

Introduction to Real Numbers and Algebraic Expressions

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

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

Filters