document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=310452>Question 310452</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My daughter is having trouble with a math problem. I can't figure it out, please explain how to plot this and come up with the answer.<BR>\n" );
document.write( "Thanks in advance.<BR>\n" );
document.write( "Solve equation by graphing.<BR>\n" );
document.write( "2x + y = 1<BR>\n" );
document.write( "y = -2x + 5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #221961 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=221961\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve equation by graphing.<BR>\n" );
document.write( "2x + y = 1<BR>\n" );
document.write( "y = -2x + 5<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "1st Equation:<BR>\n" );
document.write( "Solve for \"y\":<BR>\n" );
document.write( "y = -2x+1<BR>\n" );
document.write( "Determine and plot two points:<BR>\n" );
document.write( "Let x = 0, then y = 1 giving you point(0,1)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Let x = 1, then y = -2+1 = -1 giving you point (1.-1)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Plot the two points and draw a line thru them.<BR>\n" );
document.write( "======================================================<BR>\n" );
document.write( "2nd Equation:<BR>\n" );
document.write( "y = -2x+5<BR>\n" );
document.write( "Determine and plot two points:<BR>\n" );
document.write( "Let x = 0, then y = 5 giving you point (0,5)<BR>\n" );
document.write( "Let x = 1, then y = -2+5 = 3 giving you (1,3)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Plot the points and draw a line thru them.<BR>\n" );
document.write( "======================================================<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C-2x%2B1%2C-2x%2B5%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C-2x%2B1%2C-2x%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Find the point of intersection by inspection.<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( "Answer: The lines are parallel so there is no solution<BR>\n" );
document.write( "for the system of two equations.<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );