eli3636 eli3636

11-02-2016
Mathematics

contestada

Which is the quadratic variation equation for the relationship?

y varies directly with x²and y = 72 when x = 6.

a) y=12x
b) y=4x²
c) y=x²+25
d) y=2x²

Respuesta :

NickEnglish15 NickEnglish15

11-02-2016

y=x2, 72=(6x6), 72=36, 72-36=36. The answer is d. 72=2(6x6)

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