ashleystofleth2005 ashleystofleth2005

25-02-2020
Mathematics

contestada

What are the zeros of f(x) = x2 - 8x + 16?
O
A. x = -4 and x = 4
O B. x = -4 only
O c. x= 4 only
O
D. x = -2 and x = 8

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Hrishii Hrishii

25-02-2020

Step-by-step explanation:

[tex]f(x) = {x }^{2} - 8x + 16 \\ \therefore \: f(x) = (x - 4)^{2} \\ when \: f(x) = 0 \\\implies (x - 4)^{2} = 0 \\ \therefore \: x - 4 = 0 \\ \therefore \: x= 4 \: only[/tex]

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