document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1142667>Question 1142667</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There was a question on a certification test that read:<BR>\n" );
document.write( "\"Which graph best represents this system of equations?\"\r<BR>\n" );
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document.write( "x + y = 10<BR>\n" );
document.write( "x - y = 4\r<BR>\n" );
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document.write( "My answer was (x =7, y = 3)<BR>\n" );
document.write( "When I saw the different linear graphs, I did not know which one to select because only the coordinate points (7,3) satisfy the equation. Each line of the graph went through (7,3), but in different directions. How do I find other coordinate points that is a solution to this equation? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #763373 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=763373\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There was a question on a certification test that read:<BR>\n" );
document.write( "\"Which graph best represents this system of equations?\"\r<BR>\n" );
document.write( "\n" );
document.write( "x + y = 10<BR>\n" );
document.write( "x - y = 4\r<BR>\n" );
document.write( "\n" );
document.write( "My answer was (x =7, y = 3)<BR>\n" );
document.write( "When I saw the different linear graphs, I did not know which one to select because only the coordinate points (7,3) satisfy the equation. Each line of the graph went through (7,3), but in different directions. How do I find other coordinate points that is a solution to this equation?<BR>\n" );
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document.write( "There are no other points that satisfy the 2 equations.<BR>\n" );
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document.write( "There are an infinite # of lines that go thru the point (7,3).<BR>\n" );
document.write( "The slope of x + y = 10 is -1.<BR>\n" );
document.write( "The slope of x - y = 4 is +1.<BR>\n" );
document.write( "You can use that info, if needed. </SPAN>\n" );
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