document.write( "Question 273972: find the slope if it exist\r
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Algebra.Com's Answer #200052 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
You can't apply y=mx+b since y doesn't appear.
\n" ); document.write( "since x never changes the slope is undefined.
\n" ); document.write( "m=(y-y)/(x-x)
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