SOLUTION: Solve and Graph: y = -3x*2 + 6x

Algebra.Com
Question 18827: Solve and Graph:
y = -3x*2 + 6x

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=36 is greater than zero. That means that there are two solutions: .




Quadratic expression can be factored:

Again, the answer is: 0, 2. Here's your graph:

Hope this helps!

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