SOLUTION: y=-16x2+32x+4

Question 77305This question is from textbook
: y=-16x2+32x+4 This question is from textbook

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
If your looking to solve for x then:

Solved by pluggable solver: SOLVE quadratic equation with variable

Quadratic equation (in our case ) has the following solutons:

For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

Discriminant d=1280 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: -0.118033988749895, 2.11803398874989. Here's your graph:

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