document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=295786>Question 295786</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if   a  and  x  represent  real numbers for which  x^2  =  -a,   which  of the following  statements  could be true  ?\r<BR>\n" );
document.write( "\n" );
document.write( "I     a > 0<BR>\n" );
document.write( "II    a = 0  <BR>\n" );
document.write( "III   a < 0\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "(A)None  <BR>\n" );
document.write( "(B)II only<BR>\n" );
document.write( "(C)III  only<BR>\n" );
document.write( "(D)I  and  II  only<BR>\n" );
document.write( "(E)II and  III only \r<BR>\n" );
document.write( "\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 #213212 by </B><A HREF=/tutors/aboutme.mpl?userid=Deina><B>Deina(147)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Deina><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=Deina><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=213212\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Take what you know about squaring numbers and think it out. <br><BR>\n" );
document.write( "A positive number squared = ?<BR>\n" );
document.write( "A negative number squared = ?<br>\r<BR>\n" );
document.write( "\n" );
document.write( "Now, what result for <b>a</b> will make <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%5E2++=++highlight%28-a%29+ ALIGN=MIDDLE  ALT=\"+x%5E2++=++highlight%28-a%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > true?<br><BR>\n" );
document.write( "Should take just a few seconds & bob's your uncle!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );