SOLUTION: I need help on this one! Please!!! Use the quadratic formula to solve 2x^2+x-5=0

Question 34636: I need help on this one! Please!!! Use the quadratic formula to solve
2x^2+x-5=0
Answer by askmemath(368) (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=41 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 1.35078105935821, -1.85078105935821. Here's your graph:

Hope this helps.
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