SOLUTION: Find the vertex the line of symmetry, the maximum or minimum value of the quadratic function, and graph the function. f(x)= -2x^2+2x+10

Question 534397: Find the vertex the line of symmetry, the maximum or minimum value of the quadratic function, and graph the function.
f(x)= -2x^2+2x+10

Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
f(x) = -2x^2 +2x +10
.
axis of symmetry = -b/2a
-b/2a = -2/(-2*2) = -2/-4 = 1/2
.
x = 1/2, y = -2*1/4 +2*1/2+10 = 10 1/2
(1/2, 21/2)
.

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