document.write( "Question 169779: Find the slope of the line that contains the points (4,-2) and (4,3)\r
\n" ); document.write( "\n" ); document.write( "A. Zero
\n" ); document.write( "B. Undefined
\n" ); document.write( "C. 5/4
\n" ); document.write( "D. 1/4
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Algebra.Com's Answer #125159 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Slope = (diff in y)/(diff in x)
\n" ); document.write( "difference in x = 0, so it's undefined.
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