kazzyrtanahjk
kazzyrtanahjk kazzyrtanahjk
  • 20-09-2016
  • Mathematics
contestada

y varies directly with x2 and y = 48 when x = 2.
Which is the quadratic variation equation for the relationship?
Option A: y = ¼x2

Option B: y = 12x2

Option C: y = 4x

Option D: y = x2 + 25

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 21-09-2016
y = 48 when x = 2
y = a · x²
48 = a · 2²
48 = a · 4
a = 48 : 4
a = 12
Answer:  B ) y = 12 x²
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