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

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> 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       Log On


   

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) About Me  (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)
.
+graph%28500%2C500%2C-5%2C5%2C-15%2C15%2C-2%2Ax%5E2%2B2%2Ax%2B10%29+