3 years ago

F(x) = x ^ 2 + 6x - 4 in vertex form

Mathematics

2 answers:

lesya692 [45]3 years ago

7 0

Answer:

f(x) = (x + 3)² - 13

Step-by-step explanation:

The equation of a parabola in vertex form is

f(x) = a(x - h)² + k

Given

f(x) = x² + 6x - 4

Using 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 - 4

f(x) = (x + 3)² - 13 ← in vertex form

Svetach [21]3 years ago

5 0

Answer:y=(x-6)^2-4

Step-by-step explanation:

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