SOLUTION: 2x^2+9x-5=0

Question 20210: 2x^2+9x-5=0
Answer by Alwayscheerful(414) (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=121 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 0.5, -5. Here's your graph:

If you need furthur instruction, I offer tutoring not by the hour, but by the number of questions. I assure you that the prices will be within reason.
Hope this helps!
RELATED QUESTIONS
2x^2 - 9x - 5 =... (answered by checkley71)

2x^2+9x-5=0 (answered by stanbon)

2x^2-9x+9=0 (answered by jim_thompson5910)

2x^2+9x+9=0 (answered by fcabanski)

Whar is the roots?... (answered by jim_thompson5910)

factor and solve... (answered by ewatrrr)

I need help please: {{{2x^2+9x-5=0}}}... (answered by bonster,drglass,JimMarshall)

(2x-5)(9x-15)=0 (answered by MathLover1)

3x+5(2x-11)=2+9x (answered by orca)