# Chapter 2 Linear Equations and Functions - 2.5 Model Direct Variations - 2.5 Exercises - Skill Practice - Page 110: 35

The student multiplied y and x instead of dividing the two quantities.

#### Work Step by Step

The student multiplied y and x instead of dividing the two quantities. However, the value of $\frac{y}{x}$ for the first term is $\frac{24}{1}$, but the value for the second term in $\frac{8}{3}$. But, with direct variation, $\underline{all}$ data points have the same value of $\frac{y}{x}$. Hence, this is not direct variation.

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