document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=215994>Question 215994</A>: <I><SPAN STYLE=\"word-break: break-all;\"> would an elipse be a function? why or why not? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #163173 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=163173\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a  function is  limited  to  a  relationship  that  has  one  y for  each x<BR>\n" );
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document.write( "This  can  be  checked  with  the  vertical  line  test,,where  a  vertical  line  is  passed  thru  the  figure,  and  for  every x position,  there  should  be  only  one  y  value.<BR>\n" );
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document.write( "If  we  look  at  the  shape  of  an  ellipse,  we  will  always  have  two  values  of  y  for  every one  value  of  x,<BR>\n" );
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document.write( "Therefore  an  ellipse  is  NOT  a  function<BR>\n" );
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