document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=57242>Question 57242</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone help me out on this problem?\r<BR>\n" );
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document.write( "  I need to determine which two equations represent perpendicular lines:\r<BR>\n" );
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document.write( " (a)  y = 5/8 x -3   (b)  y = 3x - 5/8   (c)  y = -1/3 x + 5/8  (d)  y = 1/3 x - 5/8\r<BR>\n" );
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document.write( "  Thank you,  Ashley </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #38945 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=38945\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi Ashley,<BR>\n" );
document.write( "I need to determine which two equations represent perpendicular lines:\r<BR>\n" );
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document.write( " (a)  y = 5/8 x -3   (b)  y = 3x - 5/8   (c)  y = -1/3 x + 5/8  (d)  y = 1/3 x - 5/8<BR>\n" );
document.write( "The slope intercept form of a line is: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=mx%2Bb%29 ALIGN=MIDDLE  ALT=\"highlight%28y=mx%2Bb%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, where m=slope and (0,b)=y-intercept.<BR>\n" );
document.write( "Perpendicular lines have slopes that are negative reciprocals of each other.  They have opposite signs and are upside down.<BR>\n" );
document.write( "(a) has a slope of 5/8<BR>\n" );
document.write( "(b) has a slope of 3, which can be written as 3/1<BR>\n" );
document.write( "(c) has a slope of -1/3<BR>\n" );
document.write( "(d) has a slope of 1/3<BR>\n" );
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document.write( "(b) and (c) have slopes that are opposite signs and upside down, they are perpendicular.<BR>\n" );
document.write( "Happy Calculating, Ashley!!!<BR>\n" );
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