document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=58611>Question 58611</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0073016020/algebrahomeworkh>Beginning Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Can someone help me on this problem?  <BR>\n" );
document.write( "  I need to solve the following systems by graphing:\r<BR>\n" );
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document.write( "   2x - y = 4<BR>\n" );
document.write( "   2x - y = 6\r<BR>\n" );
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document.write( " Thank  you so much,<BR>\n" );
document.write( "  Sher </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #40151 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=40151\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi Sher,  <BR>\n" );
document.write( "  Solve the following systems by graphing:\r<BR>\n" );
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document.write( "L1)   2x - y = 4<BR>\n" );
document.write( "L2)   2x - y = 6\r<BR>\n" );
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document.write( " This system is parallel and has no solution, the two lines will never intersect.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "For L1) let x=0 and solve for y:<BR>\n" );
document.write( "2(0)-y=4<BR>\n" );
document.write( "0-y=4<BR>\n" );
document.write( "-y=4<BR>\n" );
document.write( "-(-y)=-4<BR>\n" );
document.write( "y=-4  Plot (0,-4)<BR>\n" );
document.write( "Now let x=1 and solve for y:<BR>\n" );
document.write( "2(1)-y=4<BR>\n" );
document.write( "2-y=4<BR>\n" );
document.write( "-2+2-y=4-2<BR>\n" );
document.write( "0-y=2<BR>\n" );
document.write( "-y=2<BR>\n" );
document.write( "-(-y)=-2<BR>\n" );
document.write( "y=-2  Plot (1,-2)  Connect the points and you have this line:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C-%28-2x%2B4%29%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C-%28-2x%2B4%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ":<BR>\n" );
document.write( "For L2)  Let x=0 and solve for y:<BR>\n" );
document.write( "2(0)-y=6<BR>\n" );
document.write( "0-y=6<BR>\n" );
document.write( "-y=6<BR>\n" );
document.write( "-(-y)=-6<BR>\n" );
document.write( "y=-6<BR>\n" );
document.write( "Plot (0,-6)<BR>\n" );
document.write( "Now let x=1 and solve for y:<BR>\n" );
document.write( "2(1)-y=6<BR>\n" );
document.write( "2-y=6<BR>\n" );
document.write( "-2+2-y=6-2<BR>\n" );
document.write( "0-y=4<BR>\n" );
document.write( "-y=4<BR>\n" );
document.write( "-(-y)=-4<BR>\n" );
document.write( "y=-4<BR>\n" );
document.write( "Plot (1,-4)<BR>\n" );
document.write( "Connect the dots and you have a second line:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C-%28-2x%2B4%29%2C-%28-2x%2B6%29%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C-%28-2x%2B4%29%2C-%28-2x%2B6%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "See the lines are parallel and they will never intersect.<BR>\n" );
document.write( "Happy Calculating!!!<BR>\n" );
document.write( "   </SPAN>\n" );
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