document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=131020>Question 131020</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having problems with the following:\r<BR>\n" );
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document.write( "The solutions of line \"a\" are (3,3) (5,5)<BR>\n" );
document.write( "The solutions of line \"b\" are (3,-3) (5,-5)\r<BR>\n" );
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document.write( "a.  Form the equations of both the lines.<BR>\n" );
document.write( "b.  What are the Co-ordinates of the point of the intersection of lines a and b.\r<BR>\n" );
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document.write( "Please use the slope formula and the point slope equation to answer \"a\"\r<BR>\n" );
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document.write( "I think the co-ordiantes is \"0\".  I just can't do the \"a\" portion.  Can somebody help? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #95681 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=95681\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (3,3) & (5,5)<BR>\n" );
document.write( "FIRST WE NEED TO FIND THE SLOPE (Y2-Y1)/(X2-X1)<BR>\n" );
document.write( "(5-3)/5-3)<BR>\n" );
document.write( "2/2=1 FOR THE SLOPE.<BR>\n" );
document.write( "NOW REPLACE THE X & Y TERMS IN THE LINE FORMULA [Y=mX+b] WITH ONE SET OF X & Y VALUES.<BR>\n" );
document.write( "3=1*3+b<BR>\n" );
document.write( "3=3+b<BR>\n" );
document.write( "b=3-3<BR>\n" );
document.write( "b=0 SO THE LINE EQUATION THROUGH THESE 2 POINTS IS:<BR>\n" );
document.write( "Y=X (RED LINE)<BR>\n" );
document.write( "(3,-3) & (5,-5)<BR>\n" );
document.write( "(-5+3)/(5-3)<BR>\n" );
document.write( "-2/2=-1 IS THE SLOPE OF THIS LINE.<BR>\n" );
document.write( "-3=-1*3+b<BR>\n" );
document.write( "-3=-3+b<BR>\n" );
document.write( "b=-3=3<BR>\n" );
document.write( "b=0 OF THE LINE EQUATION THROUGH THESE POINTS IS:<BR>\n" );
document.write( "Y=-X (GREEN LINE)<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+x%2C+-x%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+x%2C+-x%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions x and -x).  </SPAN>\n" );
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