If y varies directly with X and y =10 and X=4 write the direct linear variation equation . A-y=10x B-y=4x C-y=5/2x D-y=2/5x

asked May 10, 2019 122k views

3 votes

If y varies directly with X and y =10 and X=4 write the direct linear variation equation .

A-y=10x
B-y=4x
C-y=5/2x
D-y=2/5x

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2 votes

y= kx (k being a constant)
10= k × 4 k=5/2

y= 5x/2 The answer is C.

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