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If y varies inversely as x, and y = 4 as x = 8, find y for the x-value of 2.

If y varies inversely as x, and y = 4 as x = 8, find y for the x-value of 2.
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4 votes
If y varies inversely as x, and y = 4 as x = 8, find y for the x-value of 2.

User Rob Buhler
by
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1 Answer

5 votes
For inverse variation, y = k/x
4 = k/8
k = 4 x 8 = 32
y = 32/x

When x = 2, y = 32/2 = 16.
User Amanda S
by
8.0k points
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