Name:    Chapter 9 Test

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

List the ordered pairs shown in the mapping diagram.

1.

 a. (6, 3), (8, 8), (10, 13), (12, 18) c. (3, 12), (8, 10), (13, 8), (18, 6) b. (6, 8), (8, 13), (10, 18), (12, 3) d. (3, 6), (8, 8), (13, 10), (18, 12)

2.

 a. (2, 5), (6, 6), (10, 4), (14, 3) c. (2, 6), (6, 5), (10, 4), (14, 3) b. (6, 6), (5, 2), (4, 14), (3, 10) d. (2, 5), (6, 6), (10, 3), (14, 4)

3.

 a. (4, 22), (10, 28) c. (4, 22), (7, 22), (10, 28), (13, 28) b. (4, 22), (7, 22), (28, 10), (13, 28) d. (7, 22), (13, 28)

Find the value of y for the given value of x.

4.

;   x =
 a. c. b. d. 13

Write an equation that describes the function.

5.

 a. x c. b. x d.

6.

The output is eleven less than the input.
 a. y = 11 c. b. y = d. y = 11x

7.

The output is nine more than the input.
 a. y = 9x c. b. y = 9 + x d. y =

Find the value of x for the given value of y.

8.

;   y = 22
 a. 68 c. 56 b. 23 d. 20

9.

;   y = 15
 a. 1 c. 25 b. 85 d. 2

Write an equation for the function shown by the table.

10.

 Input, x 1 4 7 10 Output, y 8 11 14 17
 a. c. b. d.

Which function does the graph represent?

11.

 a. y = 2x – 1 c. y = x + 1 b. y = 0.5x d. y = x

Numeric Response

Find the value of y for the given value of x.

1.

;   x = 5

2.

;   x = 1

Draw a mapping diagram of the set of ordered pairs.

1.

(7, 5), (9, 8), (11, 14), (13, 1)

Make an input-output table for the pattern. Is the function relating the figure number x to the number of dots y linear? Explain.

2.