Homework Help: math

Posted by help me again on Thursday, April 26, 2007 at 9:02pm.

how many times does the graph of
y= 2x squared -2x+3 intersect the x-axis?

It intersects the x-axis when y = 0.
So:

y = 2x^2 - 2x + 3
0 = 2x^2 - 2x + 3
Its not factorable so you'll have to use the quadratic equation to solve for x.

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