Name:    Chapter 7 Pre Test

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

Find the domain of the rational function.

 a. b. c. d. e.

2.

Find the domain of the rational function.

 a. b. c. d. e.

3.

Find the domain of the rational function.

 a. b. c. d. e.

4.

Simplify the rational expression.

 a. b. c. d. e.

5.

Simplify the rational expression.

 a. b. c. d. e.

6.

Multiply and simplify.

 a. b. c. d. e.

7.

Divide and simplify.

 a. b. c. d. e.

8.

Perform the operations and simplify.

 a. b. c. d. e.

9.

Combine and simplify.

 a. b. c. d. e.

10.

Combine and simplify.

 a. b. c. d. e.

11.

Combine and simplify.

 a. b. c. d. e.

12.

Is a solution to
 a. no b. yes

13.

Solve the equation. Check for extraneous solutions.

 a. b. c. d. e. no solution

14.

Write a model for the statement.

s varies directly as the of t
 a. b. c. d. e.

15.

Write a model for the statement.

I varies inversely as the of V
 a. b. c. d. e.

16.

Find the constant of proportionality given , and when .
 a. b. c. d. e.

17.

Write an equation that relates the variables.

g varies inversely as the root of z
 a. b. c. d. e.

18.

Write an equation that relates the variables.

z is directly proportional to x and inversely proportional to the root of y
 a. b. c. d. e.

19.

Plot the points from the table given below for .

 a. d. b. e. c.

20.

Plot the points from the table given below for .

 a. d. b. e. c.