document.write( "Question 225389: find the slope of each line
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Algebra.Com's Answer #168179 by RAY100(1637)\"\" \"About 
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slope = rise / run
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\n" ); document.write( "for x= 3 ,, slope is undetermined,,,,,,,as change in x is 0,,
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\n" ); document.write( "This is a vertical line thru x=3.
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