Question

What is the vertex form of `y= 30x^2+5x-12`?

Answer 1

`y = 1/30(x - 1/12)^2 - 869/12`

Explanation:

The vertex form is `y= a(x-h)^2 +k` where `(h,k)` is the vertex.
Use completing the square ti convert the expression
`y = 1/30(x - 5/60)^2 -25/360 -12`
`y = 1/30(x - 1/12)^2 - 869/12`