Question

What is the vertex of `y= 3(x+5)^2-30x-25`?

Answer 1

`50`

Explanation:

`y=3*(x+5)^2-30x-25`

=`3*(x^2+10x+25)-30x-25`

=`3x^2+30x+75-30x-25`

=`3x^2+50`

Thus, vertex of `y` is `50`