Question

Solve the equation by graphing -18x^3+20x^2-5x=0

Answer 1

When we are solving by graphing, the x intercepts are where the equation is true. So lets graph this.

http://www.wolframalpha.com/input/?i=graph+-18x%5E3%2B20x%5E2-5x%3D0

Answer 2

The answers are the x - intercepts so
x = 0,0.375, and 0.725
Tag me if these are not in the choices or if you cant just submit that graph.

Answer 3

If this is correct please give me a medal.

Answer 4

Find the intercepts and the maximum and minimum values.