54.7k views
5 votes
What is the y-coordinate of the vertex of the function y=2x^2+5x-8

User SuuSoJeat
by
7.6k points

1 Answer

3 votes
The formula to find the x coordinate is -b/2a. If you plug in the variables

-5/2(2) = -5/4 = -1.25

x = -1.25

Now plug in x into the y equation.

y = -11.125
User Banging
by
8.3k points