Test, Form 1B - St. Luke School Classroom Pages

[Pages:2]Copyright ? The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.

Distance (mi)

NAME _____________________________________________ DATE __________________ PERIOD _________

Test, Form 1B

SCORE _________

Write the letter for the correct answer in the blank at the right of each question.

1. The graph shows the distance a cheetah ran. A giraffe ran at a rate of 0.25 mile per minute. Which statement about their speeds is true?

A. The cheetah traveled 0.6 mile per minute.

B. The cheetah traveled 3 miles per minute.

21 18 15 12

9 6 3

0 5 10 15 20 25 30 35 40 45 50 Number of Minutes

C. The cheetah was twice as fast as the giraffe. D. The cheetah and the giraffe traveled at the same rate.

1.

A

2. What is f(7) if f(x) = -4x + 9?

F. -19

G. -4

H. 4

I. 37

2.

F

3. Which table represents a linear function?

A. x 1 2 3 4 C. x -3 -2 -1 0

y 0 2 6 12

y 5 3 1 -1

B. x -2 0 2 4 D. x -4 0 4 8

y 4 2 1 -12

y 1 4 9 16

3.

C

4. Which function is graphed at the right?

F. y = - -32 x - 2 G. y = -32 x - 2

H. y = - -23 x - 2 I. y = -23x - 2

y

4.

I

0

x

5. Which function matches the function table at the right? x f(x)

A. f(x) = 4x - 2

C. f(x) = 2x + 4

-3 -14

B. f(x) = 5x + 1

D. f(x) = 4x + 2

5.

0 -2

3 10

6. Graphs that represent situations that may not have

numerical values are called?

F. linear

G. nonlinear

H. quadratic

I. qualitative 6.

Course 3 ? Chapter 4 Functions

A

I 87

NAME _____________________________________________ DATE __________________ PERIOD _________

Test, Form 1B (continued)

SCORE _________

7. A plant is a certain height. The height

7

Height of Plant (in.)

of the plant is measured for several

6

weeks. The graph shows the height

5

of the plant for each week. Which

4

statement is true?

3

2

A. The plant grew 1 inch per week.

1

B. The plant grew 0.75 inch per week.

0 1234567

C. The initial height of the plant was 4 inches.

Number of Weeks

D. The initial height of the plant was 3.5 inches.

7.

D

8. What is f(4) if f(x) = 2x - 2?

F. 6

G. 10

H. 12

I. 14

8.

F

9. What is the domain of the relation {(-2, 4), (1, 3), (0, -4), (3, 2)}?

A. {0, 1, 2, 4}

C. {-2, 0, 1, 3}

B. {-4, -2, 2, 3}

D. {-4, 2, 3, 4}

9.

C

10. Which equation represents the graph at the right?

F. y = x2 + 3

H. y = -3x2

G. y = -x2

I. y = -x2 + 3

y

O

x 10.

I

Copyright ? The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.

11. Student tickets cost $5.75 each, and adult tickets cost $8.50 each. Which equation can be used to find the total cost c of any number of adult tickets t ?

A. c = 8.5 t B. t = 8.5 c

C. c = 5.75 t D. t = 5.75 c

11.

A

12. The graph shows the amount of food Ian's rabbits eat each week. Which equation can be used to find the number of pounds y eaten after any number of weeks x ? F. y = 120x G. y = 60x H. y = 30x I. y = 15x

88

Pounds of Food

450

(8, 480)

400

(7, 420)

350

(6, 360)

300

(5, 300)

250

(4, 240)

200 150 100

(3, 180) (2, 120)

50

(1, 60)

0 123456789 Time (weeks)

12.

G

Course 3 ? Chapter 4 Functions

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