The Purplemath Forums

I am trying to finish an assignment for my Algebra II class and I am having a challenge figuring out how to solve a problem. I have a triangle with a known base of 12 feet and a height of 8 feet. The triangle has the height and point perfectly centered on the 12 foot base so the (2) sides are identi...

How do you solve the quadratic equation:

-0.2x^2 + 12x + 11 = 0

Thank you. multiplying by -5 helped a lot and got me on the right track.