Which second degree polynomial function has a leading coefficient of -1 an root 4 with multiplicity 2?

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asked Aug 15, 2018 154k views

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AJS · Answer 1 · 2018-08-22T12:54:48+0000

A root of 4 means the factor is (x - 4)
Multiplicity 2 means it has a power of 2 => => (x - 4)^2
Leading Coefficient -1 means it will be reflected opening downward
- (x - 4)^2
-(x^2 - 8x + 16)
-x^2 + 8x - 16

Which second degree polynomial function has a leading coefficient of -1 an root 4 with multiplicity 2?

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