Question number 11 math problam (Y= -3x^2 -6x -8)

Mathematics
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Question number 10 math problam (Y= -3x^2 -6x -8)

Jan 18th, 2015

y = -3x*2 -6x -8

= -3(x^2 + 2x +1) +3 -8    note change of sign; 1 is the square of half the x coefficient

(( = -3 (x +1)^2 -5   Now in vertex form with maximum -5 at x= -1  ))


Jan 18th, 2015

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