Question 1

Use a calculator to approximate to three decimal places.
-

Accepted Answer

A)  3.300 
B)  0.033 
C)  0.003 
D)  0.33 
A)  3.300 
B)  0.033 
C)  0.003 
D)  0.33

Question 2

Solve the problem. If necessary, round to the nearest tenth.
-One airport has a ramp sloping down from the passenger waiting area to the plane. If the distance from the waiting area to the plane is 42 feet and the height from the ground to the waiting area is 7 feet, how long is the
Ramp?

Accepted Answer

A)  7.0 ft 
B)  41.4 ft 
C)  42.6 ft 
D)  9.9 ft 
A)  7.0 ft 
B)  41.4 ft 
C)  42.6 ft 
D)  9.9 ft

Question 3

Solve the problem.
-A manufacturer's cost is given by   , where C is the cost and n is the number of parts produced. How many parts are produced when the cost is $6200?

Accepted Answer

A)  225 
B)  3375 
C)  6000 
D)  27,000 
A)  225 
B)  3375 
C)  6000 
D)  27,000

Question 4

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)  cannot simplify 
C)    
D)    
A)    
B)  cannot simplify 
C)    
D)

Question 5

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

Accepted Answer

A)  41 
B)    
C)    
D)    
A)  41 
B)    
C)    
D)

Question 6

Graph.
-

Accepted Answer

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

Question 7

Simplify.
-(

Accepted Answer

A)  243i 
B)  -243 
C)  -243i 
D)  243 
A)  243i 
B)  -243 
C)  -243i 
D)  243

Question 8

Determine whether the complex number is a solution of the equation.
-1 + 2i;   - 3y + 3 = 0

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

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

Question 10

Rewrite with rational exponents.
-

Accepted Answer

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

Question 11

Use rational exponents to simplify. Write the answer in radical notation if appropriate.
-

Accepted Answer

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

Question 12

Simplify.
-

Accepted Answer

A)    
B)  -6x 
C)    
D)  -36x 
A)    
B)  -6x 
C)    
D)  -36x

Question 13

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

Accepted Answer

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

Question 14

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

Accepted Answer

A)    
B)  Not a real number 
C)  6x 
D)    
A)    
B)  Not a real number 
C)  6x 
D)

Question 15

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

Accepted Answer

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

Question 16

Solve.
-

Accepted Answer

A)    
B)    
C)  No solution 
D)    
A)    
B)    
C)  No solution 
D)

Question 17

For the given function, find the indicated function value.
-For f(x) =   , find f(-28).

Accepted Answer

A)  Does not exist as a real number 
B)  -3 
C)  3 
D)  -4 
A)  Does not exist as a real number 
B)  -3 
C)  3 
D)  -4

Question 18

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

Accepted Answer

A)  64 
B)  128 
C)  32 
D)  16 
A)  64 
B)  128 
C)  32 
D)  16

Question 19

Simplify.
-

Accepted Answer

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

Question 20

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

Accepted Answer

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

Use a calculator to approximate to three decimal places. -

Solve the problem. If necessary, round to the nearest tenth. -One airport has a ramp sloping down from the passenger waiting area to the plane. If the distance from the waiting area to the plane is 42 feet and the height from the ground to the waiting area is 7 feet, how long is the Ramp?

Solve the problem. -A manufacturer's cost is given by , where C is the cost and n is the number of parts produced. How many parts are produced when the cost is $6200?

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. -

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

Graph. -

Simplify. -(

Determine whether the complex number is a solution of the equation. -1 + 2i; - 3y + 3 = 0

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

Rewrite with rational exponents. -

Use rational exponents to simplify. Write the answer in radical notation if appropriate. -

Simplify. -

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

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

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

Solve. -

For the given function, find the indicated function value. -For f(x) = , find f(-28).

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

Simplify. -

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

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. -

Solve the problem. If necessary, round to the nearest tenth. -One airport has a ramp sloping down from the passenger waiting area to the plane. If the distance from the waiting area to the plane is 42 feet and the height from the ground to the waiting area is 7 feet, how long is the Ramp?

Solve the problem. -A manufacturer's cost is given by , where C is the cost and n is the number of parts produced. How many parts are produced when the cost is $6200?

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. -

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

Graph. -

Simplify. -(

Determine whether the complex number is a solution of the equation. -1 + 2i; - 3y + 3 = 0

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

Rewrite with rational exponents. -

Use rational exponents to simplify. Write the answer in radical notation if appropriate. -

Simplify. -

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

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

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

Solve. -

For the given function, find the indicated function value. -For f(x) = , find f(-28).

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

Simplify. -

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

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