Mrs. Inman place the following function on the board:

y=-x^2+7x-12

Sharla says that the zeros of this function are x = - 4 and x = - 3.

Lauren says that the zeros of this function are x = 4 and x = 3.

Who is correct: Sharla or Lauren? Explain your reasoning to receive full credit.

Question

21 June, 22:47

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Answers (1)

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Deja Flynn · Answer 1

-x^2+7x-12=0. (*-1)

x^2-7x+12=0

(x-4) (x-3) = 0

the zeroes are x = 4 and x = 3

Mrs. Inman place the following function on the board:y=-x^2+7x-12Sharla says that the zeros of this function are x = - 4 and x = - 3.Lauren says that the zeros of this function are x = 4 and x = 3.Who is correct: Sharla or Lauren? Explain your reasoning to receive full credit.