1 answer

B (13 points): Consider the function (1) = 2.2 - 6 - 7. Express this function...

Question:

b (13 points): Consider the function (1) = 2.2 - 6 - 7. Express this function in the form f(1) = a(+k) +h. Find the vertex of
b (13 points): Consider the function (1) = 2.2 - 6 - 7. Express this function in the form f(1) = a(+k) +h. Find the vertex of the quadratic. Solve the equation f(x) = 0.

Answers

Solution f(x) = 2x2 - 61-27 2 40) = 2(2-91-47 = 8(1)(279-03-20-4 flx) = 8(-82-18 com poring with a(x+k)2th , we get h=-18 a=22426x-27 2 Compare this with ax?+bx+c=0 barb, C = -2 a=2 2 vertex , N=- b = 6 = 6 = 3 20 2x2 Y 2 2334 Plug x=8/2 in the equatNow, we will solve for f(x)=0 أ- 7 - 6 - اول 2 0 =7- 2 %م - 2 = 1 - 12 - 1 (% }{-7) 28V 132 + ا۱۷ 4 = لا دي = 2 + 576 ا 1 = 9Thus, A=% 1312 are the roots of the Quadratic equation

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