document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168650>Question 168650</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321557646/algebrahomeworkh>Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I apologize for having to ask two questions but they are the only two that I'm totally stumped on.  I appreciate your help very, very much!!  This also is a quadratic function.\r<BR>\n" );
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document.write( "\"Solve each equation for the indicated variable\"\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10p%5E2c%5E2+%2B+7pcr+=+12r%5E2 ALIGN=MIDDLE  ALT=\"10p%5E2c%5E2+%2B+7pcr+=+12r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >    Solve for r </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124285 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=124285\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 10p^2c^2 + 7pcr = 12r^2\r<BR>\n" );
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document.write( "12r^2 - 7pcr - 10p^2c^2 = 0\r<BR>\n" );
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document.write( "Use the quadratic formula:\r<BR>\n" );
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document.write( "----------------------------<BR>\n" );
document.write( "r = [7pc +- sqrt(49p^2c^2 - 4*12*-10p^2c^2)]/24\r<BR>\n" );
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document.write( "r = [7pc +- sqrt(529p^2c^2)]/24\r<BR>\n" );
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document.write( "r = [7pc +- 23pc]/24\r<BR>\n" );
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document.write( "r = [30pc]/24 or r = [-16pc]/24\r<BR>\n" );
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document.write( "r = [15/12]pc or [-2/3]pc\r<BR>\n" );
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document.write( "===============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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