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If y varies directly as x, and y = -18 as x = -2, find y for the x-value of 20.
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If y varies directly as x, and y = -18 as x = -2, find y for the x-value of 20.

User Wtznc
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8.4k points

1 Answer

3 votes
Hello,

y=k*x
-18=k*(-2)===>k=9

if x=20
y=9*20=180

User Rahul Raj
by
8.0k points
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