Name:    Algebra 1 SOL A.7

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

1.

What is the slope of the line ?
 a. 1 c. b. d.

2.

What is the slope of the line ?
 a. 6 c. b. 3 d.

3.

Vince is doing an experiment breeding fruit flies for his biology class at Virginia Tech. At 1 P.M., he counts 100 fruit flies in a box. At 4 P.M., there are 370 flies in the box. What is the rate of change of fruit flies per hour?
 a. 50 c. 90 b. 67.5 d. 270

4.

What is the slope of the line ?
 a. 1 c. b. 0 d. undefined

5.

What is the slope of a horizontal line?
 a. positive c. undefined b. negative d. zero

6.

What is the slope of the line shown?

 a. c. b. d. 2

7.

What is the slope of the line containing the points at (, ) and (2, 3)?
 a. c. b. d.

8.

How has the slope of line 1 changed to create line 2?

 a. It has increased. b. It has decreased. c. It has changed from positive to negative. d. It has changed from negative to positive.

9.

How has the slope of line 1 changed to create line 2?

 a. It has changed from positive to negative. b. It has changed from positive to undefined. c. It has changed from negative to positive d. It has increased.

10.

What is the slope of the line ?
 a. 1 c. b. d.