document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=760908>Question 760908</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with Graphing lines, I have 2x-4y=12<BR>\n" );
document.write( "I have a chart that has X -2, -1,0, 1, 2, and Y is blank. I don't understand how to answer it or what to do. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #462920 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=462920\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need help with Graphing lines, I have 2x-4y=12<BR>\n" );
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document.write( "The first step is to rewrite equation in terms of y and in standard form for a straight line.<BR>\n" );
document.write( "2x-4y=12<BR>\n" );
document.write( "4y=2x-12<BR>\n" );
document.write( "y=x/2-3<BR>\n" );
document.write( "This is an equation of a straight line whose standard form is: y=mx+b. m=slope, b=y-intercept<BR>\n" );
document.write( "From here, you can plug in several different values of x to get points for the graph.<BR>\n" );
document.write( "A better and more efficient way is find the y-intercept which=3 in this case, and use the slope=1/2 in this case to get a 2nd point. From the y-intercept, move 2 units to the right and one unit up to get the 2nd point. Run the line thru these two points for the graph. Plug in an x-value as a check to see if it falls on the line as it should.<BR>\n" );
document.write( "note: slope=rise/run=&#8710;y/&#8710;x\r<BR>\n" );
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document.write( "see graph below as a visual check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+x%2F2-3%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+x%2F2-3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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