document.write( "Question 817711: Through (3, 5), slope=undefined \n" ); document.write( "
Algebra.Com's Answer #492164 by richwmiller(17219)\"\" \"About 
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slope is zero when y never changes
\n" ); document.write( "slope is undefined when x never changes
\n" ); document.write( "equation for the line is x=3
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