y=2x^2-2x+1 whats is y ?

Mathematics
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where x is -2 , -1 , 0 , 3

Jan 5th, 2015

x          y= 2x^2 -2x +1

-2           2(-2)^2 -2(-2) + 1 = 8+4 + 1 = 13

-1           2(-1)^2 -2(-1) + 1 = 2 + 2 + 1 = 5

0            2(0)^2 -2(0) + 1 = 0+0+1 = 1

3          2(3)^2 -2(3) + 1  =  18-6+1 = 13

I hope this helps.


Jan 5th, 2015

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