### Home > CC2 > Chapter 6 > Lesson 6.2.5 > Problem 6-108

6-108.

Which of the equations below represent proportional relationships? If the relationship is proportional, identify the constant of proportionality. If the relationship is not proportional, explain why.

A proportional relationship should involve only multiplication. Does this equation fit that description?

Not proportional, since there is addition.

There is only multiplication involved in this equation.

Proportional; constant of proportionality is

This equation is equivalent to

.