November 24, 2015

Homework Help: 11th grade Algebra II

Posted by Anonymous on Tuesday, March 31, 2009 at 10:26pm.

if the roots of ax^2+bx+c=0 are real, rational, and equal, what is true about the graph of y= ax^2+bx+c?
1.) it intersects the x-axis at two distinct points.
2.) it lies entirely below the x-axis
3.) it lies entirely above the x-axis
4.) it is tangent to the x-axis

i think the answer is choice 1 but i'm not quite sure. can you please help me?

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