Question

What is the the vertex of `y =4x^2-12x+9`?

Answer 1

Find vertex of y = 4x^2 - 12x + 9

Explanation:

x-coordinate of vertex:
`x = (-b)/(2a) = 12/8 = -3/2`
y-coordinate of vertex:
`y = y(-3/2) = 4(9/4) - 12(-3/2) + 9 = 9 + 18 + 9 = 36`