document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=686945>Question 686945</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all integers k such that the trinomial is a perfect square trinomial \r<BR>\n" );
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document.write( "64x(squared) + kxy + y (squared) \r<BR>\n" );
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document.write( " So am I just replacing k ?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #424943 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=424943\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find all integers k such that the trinomial is a perfect square trinomial <BR>\n" );
document.write( "64x(squared) + kxy + y (squared) <BR>\n" );
document.write( "So am I just replacing k ? <BR>\n" );
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document.write( "Yes, solve for \"k\":<BR>\n" );
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document.write( "Your Problem:<BR>\n" );
document.write( "(8x)^2 + kxy + y^2<BR>\n" );
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document.write( "Perfect Square Form: a^2 + 2ab + b^2<BR>\n" );
document.write( "Your Problem:<BR>\n" );
document.write( "a = 8x ; b = y<BR>\n" );
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document.write( "Middle term has to be 2ab = 2(8x)y = 16xy<BR>\n" );
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document.write( "So k has to be 16<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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