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

2x^2+5x-7=0

Discrimnant=

number of real solutions=

- Algebra -
**Diana**, Thursday, January 27, 2011 at 8:18amThe 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 10:19pm7x^2-2x+8=0

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