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December 21, 2014

December 21, 2014

Posted by **Keisha** on Wednesday, March 4, 2009 at 12:54am.

- Algebra -
**drwls**, Wednesday, March 4, 2009 at 2:55pmYou must have written the second equation incorrectly. It needs a "y" term. It the productsa of the slopes, not the slopes themselves that must be -1.

Picking an ordered pair is just a matter of picking x and computing y, for any x that you want. Two ordered pairs define a straight line.

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