document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=392706>Question 392706</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having a hard time finishing this problem.\r<BR>\n" );
document.write( "\n" );
document.write( "I need to find the equation of the line containing the given pair of points.<BR>\n" );
document.write( "(-7,-3) and (-5,-4)  \r<BR>\n" );
document.write( "\n" );
document.write( "This is what I get so far.\r<BR>\n" );
document.write( "\n" );
document.write( "-4-(-3)     1 <BR>\n" );
document.write( "------- = - - <BR>\n" );
document.write( "-5(-7)      2\r<BR>\n" );
document.write( "\n" );
document.write( "y-3=m (x-x)\r<BR>\n" );
document.write( "\n" );
document.write( "y-3= 1/2 (x-x)\r<BR>\n" );
document.write( "\n" );
document.write( "y-3= 1/2 (x-(-7)\r<BR>\n" );
document.write( "\n" );
document.write( "y-3= 1/2 - ??  And this is where I keep getting lost I know I am suppose to multiply 1/2 and -7 but I keep getting the wrong answer somehow each time.... I know I am then suppose to subtract 3 from both sides to get y by itself but I am confused by then..I know the final equation should be I believe  y= 1/2x- ??\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #278754 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=278754\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need to find the equation of the line containing the given pair of points.<BR>\n" );
document.write( "(-7,-3) and (-5,-4) <BR>\n" );
document.write( "This is what I get so far. <BR>\n" );
document.write( "-4-(-3) 1 <BR>\n" );
document.write( "------- = - - <BR>\n" );
document.write( "-5(-7) 2 <BR>\n" );
document.write( "Slope m = (-4 - (-3))/(-5 - (-7)) = -1/2, not +1/2<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "y+3 = m(x+7)<BR>\n" );
document.write( "y+3 = (-1/2)(x+7)<BR>\n" );
document.write( "2y + 6 = -x - 7<BR>\n" );
document.write( "x + 2y = -13<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Or, use y = mx + b and either point to find b<BR>\n" );
document.write( "-3 = (-1/2)*(-7) + b<BR>\n" );
document.write( "b = -3 - 7/2<BR>\n" );
document.write( "--> y = (-1/2)x - 13/2<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "y-3=m (x-x) <BR>\n" );
document.write( "y-3= 1/2 (x-x) <BR>\n" );
document.write( "y-3= 1/2 (x-(-7) <BR>\n" );
document.write( "y-3= 1/2 - ?? And this is where I keep getting lost I know I am suppose to multiply 1/2 and -7 but I keep getting the wrong answer somehow each time.... I know I am then suppose to subtract 3 from both sides to get y by itself but I am confused by then..I know the final equation should be I believe y= 1/2x- ?? <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );