document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=751846>Question 751846</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me simplify: sqrt(-4). <BR>\n" );
document.write( "i am not grasping the \"negatives\" yet. thank you.<BR>\n" );
document.write( "sqrt(-4) = sqrt (-1) * sqrt (4).  the sqrt of 4 is 2, so the expression becomes<BR>\n" );
document.write( "2 sqrt (-1).  now sqrt (-1) is 'i' an imaginary number.  hence the answer is 2i<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 #457432 by </B><A HREF=/tutors/aboutme.mpl?userid=malglu><B>malglu(63)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=malglu><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=457432\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Please help me simplify: sqrt(-4). <BR>\n" );
document.write( "i am not grasping the \"negatives\" yet. thank you.<BR>\n" );
document.write( "sqrt(-4) = sqrt (-1) * sqrt (4).  the sqrt of 4 is 2, so the expression becomes<BR>\n" );
document.write( "2 sqrt (-1).  now sqrt (-1) is 'i' an imaginary number.  hence the answer is 2i </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );