Posted by **Lyndse** on Sunday, December 20, 2009 at 11:20am.

Find the slope of the line through the given points. ( 8, -2) and ( 8, -1)

Since 8-8 is 0 would the slope be 0 or would there be no slope?

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**Marth**, Sunday, December 20, 2009 at 11:21am
The slope is undefined (a vertical line). The equation of the line is x = 8; one cannot describe the line in the form "y=".

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**Marth**, Sunday, December 20, 2009 at 11:22am
*That would be the equation of a vertical line through those two points.

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**Lyndse**, Sunday, December 20, 2009 at 11:35am
This would be slope equalls rise over run? would it be 1/16?

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**drwls**, Sunday, December 20, 2009 at 11:53am
Marth is correct. The slope is infinite or "undefined" for a vertical line, and the equation is x = 8.

"Rise over run" for those two points is 1/0, which is infinite.

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**Lyndse**, Sunday, December 20, 2009 at 12:06pm
okay. I think I get it. Thank you both.

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