document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=170365>Question 170365</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with a fairly simple equation that i just don't understand.<BR>\n" );
document.write( "It's in pointY=A+B(X) form. I am given two sets of points which are, (-1,-6) and(4,8)<BR>\n" );
document.write( "I tried -1+-6(4)=8 which obviously doesn't work.<BR>\n" );
document.write( "Then I tried -6=2+=1(8) but there is no two in the equation, or am I trying to get a new number?\r<BR>\n" );
document.write( "\n" );
document.write( "(-1,-6)(4,8)<BR>\n" );
document.write( "in<BR>\n" );
document.write( "Y=A+BX form. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #125750 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=125750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> THE LINE FORMULA IS:<BR>\n" );
document.write( "Y=mX+b WHERE m=SLOPE & b=Y INTERCEPT.<BR>\n" );
document.write( "SLOPE=(Y2-Y1)/(X2-X1)=(8+6)/(4+1)=14/5 SLOPE<BR>\n" );
document.write( "NOW REPLACE THE X & Y TERMS WITH ONE SET OF (X,Y) POINTS & SOLVE FOR THE Y INTERCEPT b.<BR>\n" );
document.write( "-6=-1*14/5+b<BR>\n" );
document.write( "-6=-14/5+b<BR>\n" );
document.write( "b=-6+14/5<BR>\n" );
document.write( "b=(-6*5+14)/5<BR>\n" );
document.write( "b=(-30+14)/5<BR>\n" );
document.write( "b=-16/5 Y INTERCEPT.<BR>\n" );
document.write( "Y=14X/5-16/5 ANS FOR THE LINE EQUATION.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+14x%2F5+-16%2F5%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+14x%2F5+-16%2F5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 14x/5 -16/5).  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );