SOLUTION: Find the vertex of the following using the quadratic function. Simplify your answer and type as an ordered pair f(x)=-x^2+3x-8

Algebra ->  Graphs -> SOLUTION: Find the vertex of the following using the quadratic function. Simplify your answer and type as an ordered pair f(x)=-x^2+3x-8      Log On


   

Question 371185: Find the vertex of the following using the quadratic function.
Simplify your answer and type as an ordered pair
f(x)=-x^2+3x-8
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
x=-b/2a=-3/(2*-1)=3/2

f(3/2)=-(3/2)^2+3(3/2)-8 = -9/4+9/2-8 = -23/4

vertex: (3/2, -23/4)