document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=205674>Question 205674</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do I graph 2x-4y=8 using x and y intercepts? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #155301 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=155301\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x - 4y = 8<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "your y intercept is when x = 0, so make x = 0 and solve for y.<BR>\n" );
document.write( "- 4y = 8<BR>\n" );
document.write( "y = 8/-4<BR>\n" );
document.write( "y = -2<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "your x intercept is when y = 0, so make y = 0 and solve for x.<BR>\n" );
document.write( "2x = 8<BR>\n" );
document.write( "x = 4<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "you have 2 points on your line.<BR>\n" );
document.write( "1 point is (0,-2)<BR>\n" );
document.write( "the other point is (4,0)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "you still need to have an equation though.<BR>\n" );
document.write( "for graphing purposes you need to solve for y.<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "your equation is:<BR>\n" );
document.write( "2x - 4y = 8<BR>\n" );
document.write( "add 4y to both sides and subtract 8 from both sides to get:<BR>\n" );
document.write( "2x - 8 = 4y<BR>\n" );
document.write( "divide both sides by 4 to getr:<BR>\n" );
document.write( "y = .5x - 2<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "once again, your y intercept is when x = 0, so y intercept = -2<BR>\n" );
document.write( "this confirms what we got earlier.<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "once again, your x intercept is when y = 0, so equation becomes:<BR>\n" );
document.write( "0 = .5x - 2<BR>\n" );
document.write( "add 2 to both sides to get:<BR>\n" );
document.write( "2 = .5x<BR>\n" );
document.write( "divide both sides by .5 to get:<BR>\n" );
document.write( "4 = x<BR>\n" );
document.write( "or<BR>\n" );
document.write( "x = 4<BR>\n" );
document.write( "this also confirms what we got earlier.<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "graph of your equation will look like this:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28600%2C600%2C-10%2C10%2C-10%2C10%2C.5x-2%29 ALIGN=MIDDLE  ALT=\"graph%28600%2C600%2C-10%2C10%2C-10%2C10%2C.5x-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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