t0nystarkss0n22 t0nystarkss0n22

09-06-2022
Mathematics

contestada

What are the zeros of f(x)=x2-8x+16?
OA. x=-4 and x = 4
OB. x= -4 only
OC. x=-2 and x = 8
O D. x = 4 only

Respuesta :

blahaplehia blahaplehia

09-06-2022

The answer is D. x = 4 only

You make a quadratic equation with 0 on one side and solve it.

x²-8x+16=0

D = (-8)²-4*1*16=64-64=0

Now find the x:

x= (8+0)/2=4

The answer is 4.

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