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29-06-2018
Mathematics

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What are the zeros of the quadratic function f(x) = 8x^2 – 16x – 15

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choixongdong choixongdong

29-06-2018

zeros of the quadratic function when f(x) = 0
so
8x^2 – 16x – 15 = 0
(8x + 5)(x - 3) = 0
8x + 5 = 0; x = -5/8
x - 3 = 0; x = 3

Answer
x = -5/8 and x = 3

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