Question
Is the relationship between the values in each table a direct variation, an inverse variation, or neither? Write equations to model the direct and inverse variations.$$\begin{array}{|c|c|c|c|c|}\hline x & {3} & {5} & {7} & {10.5} \\ \hline y & {14} & {8.4} & {6} & {4} \\ \hline\end{array}$$
Step 1
In a direct variation, as $x$ gets larger, $y$ also gets larger. This is a direct relationship. In an inverse variation, as $x$ gets larger (since $x$ is in the denominator), $y$ gets smaller. Show more…
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