How to Use the Quadratic Formula to Solve Algebraic Equations

Comments (4)

1. Posted by Alice JANUARY 16, 2009 | 11:56AM

   it was helpful to me, I do need a refresher course, esp now that my grandson is in H.S.

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2. Posted by taylor MARCH 28, 2009 | 06:55PM

   what happens if you have a number that doesn't have a square root such as x^2=8x or x squared = 8 x i don't under stand how to do that?

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3. Posted by stephanie JUNE 07, 2009 | 03:13PM

   thanks so much! we have been going over that all year, and it's still confusing for some of us! that really helps!

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4. Posted by Cat JUNE 17, 2009 | 11:59PM

   ummmm... your UNFOIL equation X2+3x-4=0 the answer should be (x+4)(x-1) instead of (x-4)(x+1)

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