document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=255829>Question 255829</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do i find the equation of a line through two points, (4,3) and (2,4)? Please explain, the book says the answer is y=-1/2x+5 but I don't get how they got -1/2 and 5. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #188068 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=188068\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -1/2=m<BR>\n" );
document.write( "5=b<BR>\n" );
document.write( "y=mx+b\r<BR>\n" );
document.write( "\n" );
document.write( "y-y1=m*(x-x1)<BR>\n" );
document.write( "where m=slope the -1/2<BR>\n" );
document.write( "(4-3)=m*(2-4)<BR>\n" );
document.write( "1/-2=-1/2=m<BR>\n" );
document.write( "y=mx+b<BR>\n" );
document.write( "now choose either point.<BR>\n" );
document.write( "4=-1/2*2+b<BR>\n" );
document.write( "4=-1+b<BR>\n" );
document.write( "5=b<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );