document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=39282>Question 39282</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321159349/algebrahomeworkh>College Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Find an equation of the line through the point (4,5) and perpendicular to the line passing through the points (-1,3) and (2,9). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #24728 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=24728\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find an equation of the line through the point (4,5) and perpendicular to the line passing through the points (-1,3) and (2,9).\r<BR>\n" );
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document.write( "The slope of the line thru the given points is [9-3]/[2+1]=2<BR>\n" );
document.write( "So, the slope of the line perpendicular to it is m=-1/2<BR>\n" );
document.write( "The line has the form y=mx+b with x=-1,y=3, m=(-1/2)<BR>\n" );
document.write( "Therefore: 3=(-1/2)(-1)+b<BR>\n" );
document.write( "b=5/2<BR>\n" );
document.write( "Your equation is y=(-1/2)x+5/2<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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