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Mashutka [201]
3 years ago
13

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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