If y =4when x= 10 find y when x=2

1 answer:

8 0

<span>Since y=4, when x=-2, plug it into the formula above, and you have
y=kx
4=k(-2)

Solve for k, k=-2

</span><span>Now, y = -2x, so if x=30</span>y=-2*30=-60.

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