mat116r10 AMP practice quiz wk3

Topics: Celsius, Copyright, All rights reserved Pages: 2 (362 words) Published: February 18, 2015
Week 3 Practice Quiz
MAT/116

1

MAT/116 Week 3 Practice Quiz
1. Solve for x.
A.

2x + 7 = 6

-

1

B. -3

2

C.

13
2

2. Select the expression that is equivalent to -7(x – 5)
A. -7x – 5`
B. -7x + 5
C. -7x – 35

D.

1
2

D. -7x + 35

3. The temperature in a hot tub is 97 degrees F.
5

The formula to convert temp to degree C is C = (F – 32).
9

What is the approximate corresponding temp in degrees C (rounded to the nearest tenth)? A. 21.9
B. -32
C. 36.1
D. 142.6

1

4. Solve for x.
A.

5.

6

x < 15

x < 21

-

1
3

C. -6

D. 15

C. x < -9

D. x > -9

x – 4 > -1

B. x > 15

Solve the inequality.
A.

(2x – 9) = 7

B. 19.50

Solve the inequality.
A.

6.

3

0.3(0.1x + 0.1) < -0.6
B. x > 21

C. x < -21

D. x > -21

7. In the equation y = 3.8x, if the value of x is increased by 2, what is the effect on the value of y? A. It is 3.8 times the original amount
B. if is 7.6 times the original amount
C. It is 2 more than the original amount
D. It is 3.8 more the original amount
E. It is 7.6 more than the original amount

Copyright © 2014 by University of Phoenix. All rights reserved.

Week 3 Practice Quiz
MAT/116

2

8. The number of gallons of water, y, in a tank after x hours may be modeled by the linear equation y = 392 – 47.5x. Which of the following statements about the tank is true? A. It is filling at a rate of 392 gallons per hour.

B. It is filling at a rate of 47.5 gallons per hour.
C. It is emptying at a rate of 344.5 gallons per hour.
D. It is emptying at a rate of 47.5 gallons per hour.
E. It is emptying at a rate of 392 gallons per hour.

Answer Key
1.
2.
3.
4.
5.
6.
7.
8.

A
D
C
D
C
C
E
D

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