SOLUTION: find the vertex, line of symmetry, and maximum/minimum value -2x^2+2x+3 I have tried everything and am completely lost, any help would be appreciated

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: find the vertex, line of symmetry, and maximum/minimum value -2x^2+2x+3 I have tried everything and am completely lost, any help would be appreciated      Log On


   

Question 367502: find the vertex, line of symmetry, and maximum/minimum value
-2x^2+2x+3
I have tried everything and am completely lost, any help would be appreciated
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
The x-coordinate of the vertex is -b%2F%282a%29+=+-2%2F%282%2A-2%29+=+1%2F2. The y-coordinate of the vertex is -2%281%2F2%29%5E2%2B2%281%2F2%29%2B3+=+-1%2F2%2B1%2B3+=+7%2F2. The line of symmetry is x = 1/2, and the maximum value is 7/2.