Mathematics
babyyedith23
20

Which zero pair could be added to the function so that the function can be written in vertex form? A.3, –3 B.6, –6 C.9, –9 D.36, –36

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(1) Answers
richboy

The function in this problem should be: f(x) =x² + 12x + 6  y = x² + 12x + 6 y - 6 = x² + 12x  x² ⇒ x * x 12x ⇒ 2*6*x missing number is 6² = 36  y - 6 + 36 = x² + 12x + 36 (x+6)(x+6) ⇒ x(x+6)+6(x+6) ⇒ x² + 6x + 6x + 36 = x² + 12x + 36 y + 30 = x² + 12x + 36 y = (x+6)² - 30 Choice is D. 36,-36

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