document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=274238>Question 274238</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A is the point (2,3) and B is the point (4,9)\r<BR>\n" );
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document.write( "(a) Find the slope of the line segment [AB]<BR>\n" );
document.write( "(b)Find the slope of a line perpendicular to line segment [AB]<BR>\n" );
document.write( "(c)The line 2x+by-12=0 is perpendicular to the line segment [AB].What is the value of b? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #200177 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=200177\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (2,3)(4,9)<BR>\n" );
document.write( "Slope=(y2-y1)/(x2-x1)<BR>\n" );
document.write( "Slope=(9-3)/(4-2)<BR>\n" );
document.write( "Slope=6/2=3 ans.<BR>\n" );
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document.write( "A perpendicular line will have a slope=-1/3.<BR>\n" );
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document.write( "2x+by-12=0<BR>\n" );
document.write( "by=-2x+12<BR>\n" );
document.write( "y=-2x/b+12/b [b=6]<BR>\n" );
document.write( "y=-2x/6+12/6<BR>\n" );
document.write( "y=-x/3+2 </SPAN>\n" );
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