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Sloan [31]
4 years ago
14

1.) Write f(x) = x2 - 6x + 8 in vertex form

Mathematics
1 answer:
Rama09 [41]4 years ago
8 0

Answer:

f(x) = (x - 3)² - 1

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

To obtain this form use the method of completing the square

Add/subtract ( half the coefficient of the x- term )² to x² - 6x

f(x) = x² + 2(- 3)x + 9 - 9 + 8

     = (x - 3)² - 1

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