What is the midpoint of the x-intercepts of f(x)=(x-4)(x+4)

asked Jan 19, 2019 150k views

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SInce both lines run through (4,-4) they meet up at 0 on the Y axis which means the answer to the question is (0,0)

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5 votes

(4 + (-4))/2 = 0/2 = 0

The midpoint is x=0, which is the equation of the axis of symmetry for this parabola.

Tom Mekken answered Jan 23, 2019

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