document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=983857>Question 983857</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How would I solve something like this???<BR>\n" );
document.write( "1.Which of the following are NOT linear systems. In each case explain why.<BR>\n" );
document.write( "a.&#8722;2x+3y=7.5 <BR>\n" );
document.write( "7x&#8722;2y=&#8722;2.5 <BR>\n" );
document.write( "b.x2+y2=4 <BR>\n" );
document.write( "2x+2y=7 <BR>\n" );
document.write( "c.5x&#8722;3y=12 <BR>\n" );
document.write( "y=3x&#8722;8 <BR>\n" );
document.write( "d.4x&#8722;7y=&#8722;4 <BR>\n" );
document.write( "3x+2xy=8<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #604637 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=604637\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "a <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=linear ALIGN=MIDDLE  ALT=\"linear\"   DISABLED_style= \"max-width:90%; height:auto;\" > system of equations is when we have two or more <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=linear ALIGN=MIDDLE  ALT=\"linear\"   DISABLED_style= \"max-width:90%; height:auto;\" > equations\r<BR>\n" );
document.write( "\n" );
document.write( "a<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=linear ALIGN=MIDDLE  ALT=\"linear\"   DISABLED_style= \"max-width:90%; height:auto;\" > equations are algebraic equations, such as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+4x+%2B+3 ALIGN=MIDDLE  ALT=\"y+=+4x+%2B+3\"   DISABLED_style= \"max-width:90%; height:auto;\" > for example, in which the variables are of the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=first ALIGN=MIDDLE  ALT=\"first\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+degree ALIGN=MIDDLE  ALT=\"+degree\"   DISABLED_style= \"max-width:90%; height:auto;\" > (that is, raised only to the first power) \r<BR>\n" );
document.write( "\n" );
document.write( "so, all other equations where the variables are of the higher degree are NOT <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=linear ALIGN=MIDDLE  ALT=\"linear\"   DISABLED_style= \"max-width:90%; height:auto;\" > equations, and such system is  NOT <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=linear ALIGN=MIDDLE  ALT=\"linear\"   DISABLED_style= \"max-width:90%; height:auto;\" > system  \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "you are given:\r<BR>\n" );
document.write( "\n" );
document.write( "1.Which of the following are NOT linear systems. In each case explain why.\r<BR>\n" );
document.write( "\n" );
document.write( "a.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2x%2B3y=7.5 ALIGN=MIDDLE  ALT=\"-2x%2B3y=7.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7x-2y=-2.5+ ALIGN=MIDDLE  ALT=\"7x-2y=-2.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "as you can see,the variables are of the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=first ALIGN=MIDDLE  ALT=\"first\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+degree ALIGN=MIDDLE  ALT=\"+degree\"   DISABLED_style= \"max-width:90%; height:auto;\" > and this system is a linear system\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "b.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2By%5E2=4+ ALIGN=MIDDLE  ALT=\"x%5E2%2By%5E2=4+\"   DISABLED_style= \"max-width:90%; height:auto;\" >=>the variables are of the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=second ALIGN=MIDDLE  ALT=\"second\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+degree ALIGN=MIDDLE  ALT=\"+degree\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B2y=7 ALIGN=MIDDLE  ALT=\"2x%2B2y=7\"   DISABLED_style= \"max-width:90%; height:auto;\" >=>the variables are of the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=first ALIGN=MIDDLE  ALT=\"first\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+degree ALIGN=MIDDLE  ALT=\"+degree\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "and this system is a NOT linear system\r<BR>\n" );
document.write( "\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( "c.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x-3y=12+ ALIGN=MIDDLE  ALT=\"5x-3y=12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=3x-8+ ALIGN=MIDDLE  ALT=\"y=3x-8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "as you can see,the variables are of the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=first ALIGN=MIDDLE  ALT=\"first\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+degree ALIGN=MIDDLE  ALT=\"+degree\"   DISABLED_style= \"max-width:90%; height:auto;\" > and this system is a linear system\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "d.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x-7y=-4+ ALIGN=MIDDLE  ALT=\"4x-7y=-4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%2B2xy=8 ALIGN=MIDDLE  ALT=\"3x%2B2xy=8\"   DISABLED_style= \"max-width:90%; height:auto;\" >=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+%288-3x%29%2F%282x%29 ALIGN=MIDDLE  ALT=\"y+=+%288-3x%29%2F%282x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is a hyperbola\r<BR>\n" );
document.write( "\n" );
document.write( "as you can see,the variables are of the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=first ALIGN=MIDDLE  ALT=\"first\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+degree ALIGN=MIDDLE  ALT=\"+degree\"   DISABLED_style= \"max-width:90%; height:auto;\" >,but <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%2B2xy=8 ALIGN=MIDDLE  ALT=\"3x%2B2xy=8\"   DISABLED_style= \"max-width:90%; height:auto;\" > is not a linear equation, and  this system is NOT a linear system\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );