1. Which expression is equivalent to 6(2y – 5)? A. 12y - 5
B. 5 - 12y
C. 12y – 30
D. 30 - 12y

C. 12y - 30

Step-by-step explanation:

6 * 2y = 12y

6 * -5 = -30

12y - 30

A. Constant of proportionality : Yes

B. Origin : No.

C. Inverse : No.

D. Rise per run : Yes

E. Unit rate : Yes.

Step-by-step explanation:

We have to choose yes or no to tell whether each item in the given options is equivalent to the slope in a proportional relationship.

A. Constant of proportionality: Yes

B. Origin: No.

C. Inverse: No.

D. Rise per run: Yes

E. Unit rate: Yes.  

The constant of proportionality, the rise per run and the unit rate are equivalent to slope in a proportional relationship. (Answer)