document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=152894>Question 152894</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello,\r<BR>\n" );
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document.write( "Sorry to bother you again but I can seem to grasp the following to put into an equation. It from Practical Application of Quadratic Equations Solve the questions \r<BR>\n" );
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document.write( "A business invests $10,000 in a savings account for two years.  At the beginning of the second year, an additional $3500 is invested.  At the end of the second year, the account balance is $15,569.75.  What was the annual interest rate? \r<BR>\n" );
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document.write( "Thank you,\r<BR>\n" );
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document.write( "Craig </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #112418 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=112418\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> end of 1st yr __ 10000(1+r)\r<BR>\n" );
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document.write( "end of 2nd yr __ [10000(1+r)+3500](1+r)=15569.75\r<BR>\n" );
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document.write( "10000+10000r+3500+10000r+10000r^2+3500r=15569.75 __ subtracting 15569.75 __ 10000r^2+23500r-2069.75=0\r<BR>\n" );
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document.write( "use quadratic formula to find r\r<BR>\n" );
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document.write( "r=8.5% </SPAN>\n" );
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