cgeegeego66 cgeegeego66

21-08-2017
Mathematics

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Determine the x-intercept(s) of the quadratic function: ƒ(x) = x2 + 4x – 32

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kphung76127 kphung76127

21-08-2017

x^2+4x-32

Factor the equation
(x+8)(x-4)
Check:
8-4=4
8*-4=-32

Use the zero product property to find zeros
(x+8)(x-4)=0

x+8=0
x=-8

x-4=0
x=4

Final answer: x=-8, x=4

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