SOLUTION: help me solve quadractic equations by graphing 2x(squared) + 4x= 6

Question 67212: help me solve quadractic equations by graphing

2x(squared) + 4x= 6
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
help me solve quadractic equations by graphing:
y = 2x^2 + 4x - 6
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You could plot some points to see the graph.
or
You could find the vertex at (-b/2a, f(-b/2a))
-b/2a=-4/4=-1
f(-1)=2-4-6=-8
So the vertex is at (-1,-8)
The y-intercept is at f(0)=-6
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The graph looks like this:

Cheers,
Stan H.
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