Question

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

Answer 1

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Explanation:

Answer 2

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 = (-17)/(-10)=(17)/(10)`

So, the relation

`y=(17)/(10)x`

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