Homework Help: Algebra

Posted by Jessica on Thursday, January 27, 2011 at 6:17am.

Compute the value of the discriminant and give the number of real solutions to the quadratic equation.

2x^2+5x-7=0

Discrimnant=

number of real solutions=

Algebra - Diana, Thursday, January 27, 2011 at 8:18am
The discriminant is b^2-4ac

I won't do all the work for you, but figure that number out.
-If its positive, theres two solutions
-If its negative there are no solutions
-If its zero theres one solution.
Algebra - Anonymous, Thursday, January 24, 2013 at 10:19pm
7x^2-2x+8=0

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