document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=217392>Question 217392</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the Y-intercept of the line that passes through the points (7,4) and <BR>\n" );
document.write( "(-3,9) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #163936 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=163936\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (7,4) (-3,9)<BR>\n" );
document.write( "Slope=(9-4)/(-3-7)=5/-10=-2 is the slope<BR>\n" );
document.write( "4=-2*7+b<BR>\n" );
document.write( "4=-14+b<BR>\n" );
document.write( "b=4+14<BR>\n" );
document.write( "b=18 the y intercept.<BR>\n" );
document.write( "y=-2x+18<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+15%2C+-10%2C+20%2C+-2x+%2B18%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+15%2C+-10%2C+20%2C+-2x+%2B18%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 15, y from -10 to 20, -2x +18).  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );