document.write( "Question 1180726: Which equation represents a line which is perpendicular to x=0?\r
\n" ); document.write( "\n" ); document.write( "a. x=−y
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Algebra.Com's Answer #810482 by ikleyn(52890)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Option (d)\r
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