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21-10-2016
Mathematics

contestada

What is the constant of variation for the quadratic variation
x 2 3 4 5 6
y 32 72 128 200 288?

A. 8
B. 16
C. 24
D. 4

Respuesta :

scme1702 scme1702

31-10-2016

Let a be the constant the quadratic term
y = ax²
32 = a(2)²
a = 8
Using the same method for each pair of x and y, we can confirm that the value of a is 8.
The answer is A.

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