document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=304608>Question 304608</A>: <I><SPAN STYLE=\"word-break: break-all;\"> evaluate the expression.\r<BR>\n" );
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document.write( "=sqrt (-49) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #218086 by </B><A HREF=/tutors/aboutme.mpl?userid=blwinbbbles><B>blwinbbbles(106)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=blwinbbbles><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=blwinbbbles><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=218086\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sqrt (-49) is not a real number so you can say:\r<BR>\n" );
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document.write( "sqrt (-49) = sqrt(-1) * sqrt(49)    the sqrt of (-1) = i\r<BR>\n" );
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document.write( "so:  i * 7 = 7i\r<BR>\n" );
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document.write( "Does that help<BR>\n" );
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