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Find all the zeros of the
y = x^2 - x - 20 quadratic function

User Zamphatta
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1 Answer

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TO find the zeros of a quadratic function we should factorize the function


x^2-x-20=(x-)(x+)

So we have to find numbers that multiplied are -20 and added are -1. So we get -5 and 4


x^2-x-20=(x-5)(x+4)

so the zeros of the function are 5 and -4

User Harvey Kwok
by
7.8k points

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