Question

1. g(x) = -2(x + 3) 2 - 1
Identify the a,h,k and vertex for each quadratic function

Answer 1

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Answer:

a = -2, h = -3, k = -1

vertex = (-3, -1)

Explanation:

Compare the given equation ...

g(x) = -2(x +3)² -1

to the vertex form ...

g(x) = a(x -h)² +k

You see that ...

a = -2

-h = +3 ⇒ h = -3

+k = -1 ⇒ k = -1

The vertex is (h, k), so is ...

vertex = (-3, -1)