Answer
Not direct variation
Work Step by Step
The value of $\frac{y}{x}$ for the first term is $ \frac{7}{1}$, but the value for the second term in $\frac{9}{2}$. But, with direct variation, $\underline{all}$ data points have the same value of $\frac{y}{x}$. Hence, this is not direct variation.
