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20-09-2016
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. 40

Respuesta :

20-09-2016

Hello,
y=a*x² ==>
32=a*2²==>a=32/4=8
72=a*3²==>a=72/9=8
128=a*4²==>a=128/16=8
200=a*5²==>a=200/25=8
288=a*6²==>a=288/36=8

Answer A: 8

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