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July 28, 2014

July 28, 2014

Posted by **Corinna** on Saturday, October 10, 2009 at 2:37pm.

- Algebra -
**jim**, Saturday, October 10, 2009 at 2:53pmDoublecheck the expression within the square root, and watch your signs.

b^2 - 4ac

1 - (4)(1)(-1)

- Algebra - oops typo -
**jim**, Saturday, October 10, 2009 at 2:55pmb^2 - 4ac

1 - (4)(2)(-1)

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