Question 317502: Find the x-coordinate of the vertex, the y-coordinate of the vertex.
f(x) = -2x^2 + 2x + 3 Found 2 solutions by nyc_function, nerdybill:Answer by nyc_function(2741) (Show Source):
You can put this solution on YOUR website! To find x, use x = -b/2a, where a = -2 and b = 2 taken from the given function.
x = -2/2(-2)
x = -2/-4
x = 2/4
x = 1/2
To find the y-coordinate, replace x with 1/2 and solve for y.
f(1/2) = -2(1/2)^2 + 2(1/2) + 3
f(1/2) = -1/2 + 4
f(1/2) = 7/2
We know that f(x) = y.
So, x = 1/2 and y = 7/2
Done!
