# What is the discriminant and minimum value for #y= 3x^2 - 12x - 36#?

##### 1 Answer

Jul 9, 2015

#### Explanation:

Since a > o, the parabola opens upward, there is a minimum at vertex.

x-coordinate of vertex:

y-coordinate of vertex: y = f(2) = 12 - 24 - 36 = - 48