What is the vertex of the following quadratic?

y=a(x−h)2+k
options:

(h, k)

(k, -h)

(k, h)

(-h, k)

Question 2
What is the vertex of the following quadratic?

y=2(x+3)2−5
options:

(-3, 5)

(3, -5)

(-3, -5)

(3, 5)

Question 3
What is the vertex of the following quadratic?

y=23(x−1)2+7
options:

(-1, 7)

(-1, -7)

(1, -7)

(1, 7)

Question 4
What is the vertex of the following quadratic?

y=−3(x−9)2−2
options:

(-2, -9)

(9, -2)

(-9, -2)

(-2, 9)

Question 5
What is the vertex of the following quadratic?

y=(x+4)2−6
options:

(4, -6)

(-6, 4)

(-6, -4)

(-4, -6)