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Home > CC2MN > Chapter 7 > Lesson 7.2.5 > Problem 7-108


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.  

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

    Not proportional, since there is addition.

  1. There is only multiplication involved in this equation.

    Proportional; constant of proportionality is 

  1. This equation is equivalent to .