3 years ago

Y varies directly as the square of x when x=2 then y =16 find y when x=8

Mathematics

1 answer:

Leviafan [203]3 years ago

8 0

Answer: y= 64

Step-by-step explanation:

If y is 16 when x is 2 This means if x is 8 y will be 64.

Set up the proportional equation

$\frac{2}{16} = \frac{8}{y}$ Cross multiply

2y = 128

y= 64

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