document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=57724>Question 57724</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780618558841/algebrahomeworkh>geometry reasoning</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> write an equation parallel to the given line. Write an equation perpendicular to the given line:\r<BR>\n" );
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document.write( "y=-x +5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #39466 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=39466\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> write an equation parallel to the given line. Write an equation perpendicular to the given line:\r<BR>\n" );
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document.write( "y=-x +5<BR>\n" );
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document.write( "Perpendicular lines have slopes that are negative reciprocals of each other(opposite signs and upsidedown).  <BR>\n" );
document.write( "When equations are in slope intercept form <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;\" >, the slope is m, the coefficient of x.<BR>\n" );
document.write( "The slope of the line they gave you is, m=-1.  It can be written m=-1/1.<BR>\n" );
document.write( "The slope of a line perpendicular to a line with the slope,-1/1 is 1/1=1.<BR>\n" );
document.write( "There are infinite numbers of equations perpendicular to y=-x+5:<BR>\n" );
document.write( "Here are a few:<BR>\n" );
document.write( "y=x<BR>\n" );
document.write( "y=x+2<BR>\n" );
document.write( "y=x-5<BR>\n" );
document.write( "y=x+10000000000<BR>\n" );
document.write( "The only thing that matters is that the coefficient of x in slope intercept form is 1.<BR>\n" );
document.write( "Happy Calculating!!! </SPAN>\n" );
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