SOLUTION: what is y=5+16x-2xsquared

Question 73416This question is from textbook Algebra 1
: what is y=5+16x-2xsquared This question is from textbook Algebra 1

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
If you're looking to solve for x then use the quadratic formula

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=296 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: -0.301162633521313, 8.30116263352131. Here's your graph:

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