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

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

User ExilonX
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2 Answers

3 votes
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)
User Igor Peshansky
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7.7k points
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.
User Tom Mekken
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7.6k points
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