Answer:
k = -2
Step-by-step explanation:
f(x) = (x − h)² + k
(h, k) is the (x, y) coordinate of the vertex
For a vertex of (4, -2)
h = 4
the answer is in the image above
<u>Given system:</u>
<u>Substitute x into the second equation:</u>
<u>Find x:</u>
