document.write( "Question 1171837: What is the equation of the line that passes through the point (4, -5) and has an undefined slope\r
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Algebra.Com's Answer #796733 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "         x = 4.\r
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\n" ); document.write( "\n" ); document.write( "Vertical line passing through the given point.\r
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