document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1041226>Question 1041226</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2Bkx%2Bk%2B1=%28x%2Bp%29%28x%2B2%29 ALIGN=MIDDLE  ALT=\"x%5E2%2Bkx%2Bk%2B1=%28x%2Bp%29%28x%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > for all values of x and k and p are constants, what is the value of k?<BR>\n" );
document.write( "A)5<BR>\n" );
document.write( "B)4<BR>\n" );
document.write( "c)3<BR>\n" );
document.write( "d)2  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #656192 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=656192\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2 +kx +(k+1) = x^2 +2x +px +2p = x^2 +(2+p)x +2p<BR>\n" );
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document.write( "we have two equations in two unknowns<BR>\n" );
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document.write( "1) k+1 = 2p<BR>\n" );
document.write( "2) k = 2+p<BR>\n" );
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document.write( "substitute for k in equation 1<BR>\n" );
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document.write( "2+p+1 = 2p<BR>\n" );
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document.write( "p = 3<BR>\n" );
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document.write( "k = 2+3 = 5<BR>\n" );
document.write( "answer is A)<BR>\n" );
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