kelster213 kelster213

19-01-2020
Mathematics

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quadratic equation whose roots are -6 and 6, and whose leading coefficient is 3

Respuesta :

nonsibi nonsibi

19-01-2020

If -6 and 6 are the roots, x+6 and x-6 are the factors.

So we have...

f(x)=(x+6)(x-6)

Because the leading coefficient is currently 1, we need to make it 3.

f(x)=3(x+6)(x-6)

f(x)=3x²-108

answer: f(x)=3x²-108

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