document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1043620>Question 1043620</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=%28%28x%2B1%29%28x-1%29%29%2F3 ALIGN=MIDDLE  ALT=\"k=%28%28x%2B1%29%28x-1%29%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > and k=0, what does <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5E2 ALIGN=MIDDLE  ALT=\"3x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > equal in terms of k?<BR>\n" );
document.write( "A) 3k<BR>\n" );
document.write( "B) 9k<BR>\n" );
document.write( "C) 3k+1<BR>\n" );
document.write( "D) 9k+3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #658770 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=658770\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3>\r<BR>\n" );
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document.write( "First solve for x^2\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k+=+%28%28x%2B1%29%28x-1%29%29%2F3 ALIGN=MIDDLE  ALT=\"k+=+%28%28x%2B1%29%28x-1%29%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3k+=+3%2A%28%28%28x%2B1%29%28x-1%29%29%2F3%29 ALIGN=MIDDLE  ALT=\"3k+=+3%2A%28%28%28x%2B1%29%28x-1%29%29%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both sides by 3\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3k+=+%28x%2B1%29%28x-1%29 ALIGN=MIDDLE  ALT=\"3k+=+%28x%2B1%29%28x-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3k+=+x%5E2-1 ALIGN=MIDDLE  ALT=\"3k+=+x%5E2-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Use the difference of squares rule\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3k%2B1+=+x%5E2-1%2B1 ALIGN=MIDDLE  ALT=\"3k%2B1+=+x%5E2-1%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add 1 to both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3k%2B1+=+x%5E2 ALIGN=MIDDLE  ALT=\"3k%2B1+=+x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+=+3k%2B1 ALIGN=MIDDLE  ALT=\"x%5E2+=+3k%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now multiply both sides by 3\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5E2+=+3%283k%2B1%29 ALIGN=MIDDLE  ALT=\"3x%5E2+=+3%283k%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5E2+=+9k%2B3 ALIGN=MIDDLE  ALT=\"3x%5E2+=+9k%2B3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The final answer is <font color=red size=4>choice D) 9k+3</font>\r<BR>\n" );
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