document.write( "Question 511247: How do I find the slope when the x-intercepts are exactly the same?\r
\n" ); document.write( "\n" ); document.write( "For example my give points are: (-4,3) and (-4,5).\r
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\n" ); document.write( "Martha
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Algebra.Com's Answer #342070 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "The slope of a vertical line is undefined.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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\"The

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