Answer:
The answer is C
Explanation:
y = a(x-h)²+k
Make each variable as a subject :
k) k = y-a(x-h)²
x) a(x-h)² = y-k
(x-h)² = (y-k)/a
x-h = +-√(y-k)/a
x = +-√(y-k)/a + h
a) a(x-h)² = y-k
a = y-k/(x-h)²
h) a(x-h)² = y-k
h = x-√(y-k)/a
