document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=117234>Question 117234</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 	Determine which two equations represent perpendicular lines.<BR>\n" );
document.write( "(a)  y = 4x – 7	<BR>\n" );
document.write( "(b)  y =  x + 7<BR>\n" );
document.write( "(c)  y = – x + 7<BR>\n" );
document.write( "(d)  y =  x – 7\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #85260 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=85260\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine which two equations represent perpendicular lines.<BR>\n" );
document.write( "(a) y = 4x – 7 <BR>\n" );
document.write( "slope is 4<BR>\n" );
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document.write( "(b) y = x + 7<BR>\n" );
document.write( "slope is 1<BR>\n" );
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document.write( "(c) y = – x + 7<BR>\n" );
document.write( "slope is -1<BR>\n" );
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document.write( "(d) y = x – 7<BR>\n" );
document.write( "slope is 1<BR>\n" );
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document.write( "c and d are perpendicular<BR>\n" );
document.write( "c and b are perpendicular<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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