document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=77361>Question 77361</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how to solve an equation of a line </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #55489 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=55489\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> THE LINE EQUATION HAS THE FORM Y=mX+b WHERE X&Y ARE THE POINTS ON THE GRAPH, m IS THE SLOPE & b IS THE Y INTERCEPT. THUS<BR>\n" );
document.write( "Y=3X-4 REPRESENTS A LINE WITH A SLOPE (m)=3, A Y INTERCEPT (b=-4).<BR>\n" );
document.write( "NOW TO FIND THE X & Y COORDINATES OF A POINT WE SET Y=0 & SOLVE FOR X & THEN SET X=0 & SOLE FOR Y THUS:<BR>\n" );
document.write( "0=3X-4<BR>\n" );
document.write( "3X=4<BR>\n" );
document.write( "X=4/3  (4/3,0) IS THIS POINT<BR>\n" );
document.write( "Y=-3*0-4<BR>\n" );
document.write( "Y=-4 (0,-4) IS A SECOND POINT<BR>\n" );
document.write( "THE GRAPH OF THIS EQUATION FOLLOWS:<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+y+=+3x+-4%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+3x+-4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = 3x -4).  </SPAN>\n" );
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