I am stumped with this...I know what it is asking, but I need a little bump to get me started. Any Help

http://img36.imageshack.us/img36/482...09111909pm.jpg

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- Sep 10th 2009, 07:36 PMrcfreak339Help, I'm stumped!
I am stumped with this...I know what it is asking, but I need a little bump to get me started. Any Help

http://img36.imageshack.us/img36/482...09111909pm.jpg - Sep 10th 2009, 08:51 PMWilmer
Did you graph the points ?

- Sep 11th 2009, 06:44 AMHallsofIvy
The simplest way to do that is to find the

**slope**of the two lines. If two lines, with slopes $\displaystyle m_1$ and $\displaystyle m_2$, are pependicular then $\displaystyle m_1m_2= -1$.