SOLUTION: solve this problem..... f(x)=2x^2+24x using the quadratic formula

Question 866079: solve this problem.....
f(x)=2x^2+24x using the quadratic formula
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!

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=576 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 0, -12. Here's your graph:

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