document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1070070>Question 1070070</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all values of c that make x^2 + cx + 64 a perfect square trinomial </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #685167 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=685167\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find all values of c that make x^2 + cx + 64 a perfect square trinomial <BR>\n" );
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document.write( "Perfect square trinomial Form:: (x+c)^2 = x^2 + 2cx + c^2<BR>\n" );
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document.write( "Notice that 2*c is twice the sqrt of c^2.<BR>\n" );
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document.write( "Your problem::<BR>\n" );
document.write( "x^2 + cx + 64<BR>\n" );
document.write( "c must be 2sqrt(64) = 2*8 = 16<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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