Answer:
(2,5)
Step-by-step explanation:
The vertex of a quadratic equation is equal to -b/2a:
-8/2(-2)
-8/-4
2
Plug x=2 into the function:
y=-2(2)^2+8(2)-3
y=-2(4)+16-3
y=-8+13
y=5
So the vertex of the graph is (2,5)
