document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1059180>Question 1059180</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Linear or nonlinear?  Why? Y=x2-5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #674258 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=674258\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If that is \"x squared\"  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+x%5E2+-+5+ ALIGN=MIDDLE  ALT=\"+y+=+x%5E2+-+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" >  then it is nonlinear.   In order for a function to be linear, any 'x' appearing must have exponent exactly equal to 1.<BR>\n" );
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document.write( "Nonlinear examples:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+x%5E1.5+ ALIGN=MIDDLE  ALT=\"+y+=+x%5E1.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+x+%2B+x%5E2 ALIGN=MIDDLE  ALT=\"+y+=+x+%2B+x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+x%5E-2+ ALIGN=MIDDLE  ALT=\"+y+=+x%5E-2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >  <BR>\n" );
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document.write( "Linear examples:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+%28x+%2B+3%29+%2B+%287+%2B+13x%29+ ALIGN=MIDDLE  ALT=\"+y+=+%28x+%2B+3%29+%2B+%287+%2B+13x%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+7+ ALIGN=MIDDLE  ALT=\"+y+=+7+\"   DISABLED_style= \"max-width:90%; height:auto;\" >    This can be thought of as  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+0%2Ax+%2B+7+ ALIGN=MIDDLE  ALT=\"+y+=+0%2Ax+%2B+7+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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