Question

Write an equation of the direct variation that includes the point (–10, –17).

Answer 1

An equation of direct variation is something like

$y=kx$

If we have a value for x and y, we simply have to plug these values and see which constant k suits our case:

$y=kx \implies -17=-10k \implies k = \dfrac{-17}{-10}=\dfrac{17}{10}$

So, the relation

$y=\dfrac{17}{10}x$

is a relation of direct variation and it includes the point (-10,-17).

Answer 2

Answer:

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Step-by-step explanation: