document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=179919>Question 179919</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the formula for the equation which has the the points (1,8) and (-1,12)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #134858 by </B><A HREF=/tutors/aboutme.mpl?userid=Slayer><B>Slayer(3)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Slayer><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=134858\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (1,8) and (-1,12)<BR>\n" );
document.write( "REMEMBER: The equation should look like \" y=mx+b \" <BR>\n" );
document.write( "m = the slope<BR>\n" );
document.write( "b = y intercept<BR>\n" );
document.write( "First find the slope FORMULA: y2 - y1 / x2 - x1.<BR>\n" );
document.write( "So; 12-8 / -1-1<BR>\n" );
document.write( "= 4/-2 = -2<BR>\n" );
document.write( "Fill in the slope; y=-2x+b; now all we need in the \"b\"<BR>\n" );
document.write( "Take one of those points for instance (1,8) Fill them into the equation. \r<BR>\n" );
document.write( "\n" );
document.write( "8=-2(1)+b<BR>\n" );
document.write( "    8=-2+b<BR>\n" );
document.write( "+2     +2<BR>\n" );
document.write( "10 = b<BR>\n" );
document.write( "Now the eqiation is y = -2x + 10 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );