document.write( "Question 113962: Write the equation of the line passing through (4, 4) and (4, 2). \n" ); document.write( "
Algebra.Com's Answer #82931 by checkley71(8403)\"\" \"About 
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FIRST YOU NEED TO FIND THE SLOPE (m)=(Y2-Y1)/(X2-X1)
\n" ); document.write( "(2-4)/(4-4)=-2/0 = INFINITY.
\n" ); document.write( "WHICH IDENTIFIES A VERTICLE LINE THROUGH X=4.
\n" ); document.write( "THUS YOU HAVE THE LINE EQUATION X=4.
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