document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=173656>Question 173656</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Here is one that I am completely stumped on:\r<BR>\n" );
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document.write( "Find a value for k that will make 4x^2 + 6.4x +k a perfect square. Describe the procedure that you used which requires algebra, not trial and error. \r<BR>\n" );
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document.write( "HELP!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #128511 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=128511\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For a perfect square, the form is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2BB%29%5E2 ALIGN=MIDDLE  ALT=\"%28x%2BB%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+2Bx+%2B+B%5E2 ALIGN=MIDDLE  ALT=\"x%5E2+%2B+2Bx+%2B+B%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So let's get the original equation in the correct form<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x%5E2+%2B+6.4x+%2Bk ALIGN=MIDDLE  ALT=\"4x%5E2+%2B+6.4x+%2Bk\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+6.4%2F4x+%2B+k%2F4 ALIGN=MIDDLE  ALT=\"x%5E2+%2B+6.4%2F4x+%2B+k%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now use the values in your eqaution and set them equal to the ones that make up the 'correct form'<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6.4%2F4+=+2B ALIGN=MIDDLE  ALT=\"6.4%2F4+=+2B\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6.4%2F8+=+B ALIGN=MIDDLE  ALT=\"6.4%2F8+=+B\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "{{k/4 = B^2}}<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k+=+4%2AB%5E2 ALIGN=MIDDLE  ALT=\"k+=+4%2AB%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k+=+4+%2A+%286.4%2F8%29%5E2 ALIGN=MIDDLE  ALT=\"k+=+4+%2A+%286.4%2F8%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now just grind that out and check your answer<BR>\n" );
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