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someone PLS help me .. i believe this needs a quadratic formula?

Someone PLS Help Me I Believe This Needs A Quadratic Formula class=

Sagot :

caylus

Hello,

The parabola has vertex=(0,1) and is passing through (1,3)

y=k(x-0)²+1

3=k*1+1 ==> k= 2

y=2*x²+1

View image caylus