SOLUTION: What is the maximum height of the toy? At what time did the toy reach that height? equation: y=-2x^2+4x+1300

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: What is the maximum height of the toy? At what time did the toy reach that height? equation: y=-2x^2+4x+1300      Log On


   



Question 887095: What is the maximum height of the toy? At what time did the toy reach that height?
equation: y=-2x^2+4x+1300

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What is the maximum height of the toy? At what time did the toy reach that height?
equation: y=-2x^2+4x+1300
-------------
What toy?
The max of the parabola is its vertex
The vertex is on the line x = -b/2a
x = -4/-4 = 1
---
y = -2 + 4 + 1300
y = 1302