Positive

1. Straight line CD in Exhibit A-7 shows that

a. increasing the value of X will increase the value of Y.
b. decreasing the value of X will decrease the value of Y.
c. there is a direct relationship between X and Y.
d. all of the above are true.

2. In Exhibit A-7, the slope of straight line CD is

a. 3.
b. 1.
c.−1.
d. 1/2.

3. In Exhibit A-7, the slope of straight line CD is

a. positive.
b. zero.
c. negative.
d. variable.