document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=57908>Question 57908</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780618019763/algebrahomeworkh>geometry reasoning</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> lines a and b are perpendicular. the slope of line a is given. What is the slope of line b?\r<BR>\n" );
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document.write( "a is -2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #39566 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=39566\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> lines a and b are perpendicular. the slope of line a is given. What is the slope of line b?\r<BR>\n" );
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document.write( "a is -2<BR>\n" );
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document.write( "When lines are perpendicular their slopes are negative reciprocals of each other. That means you change the sign and flip the slope upside down.<BR>\n" );
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document.write( "a has a slope of -2=-2/1<BR>\n" );
document.write( "Therefore b has a slope of 1/2<BR>\n" );
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document.write( "Happy Calculating!!!<BR>\n" );
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