document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=246705>Question 246705</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In this equation w = Cr^-2, (yes the r has the power of -2)I need to solve for r. Can you please help? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180060 by </B><A HREF=/tutors/aboutme.mpl?userid=College+Student><B>College Student(505)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=College+Student><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=College+Student><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=180060\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A negative exponent stands for a fraction.  Therefore, we may re-write the equation from: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=cr%5E-2 ALIGN=MIDDLE  ALT=\"w=cr%5E-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=%28c%2Fr%5E2%29 ALIGN=MIDDLE  ALT=\"w=%28c%2Fr%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "Now multiply by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2 ALIGN=MIDDLE  ALT=\"r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > on both sides, we get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=wr%5E2=c ALIGN=MIDDLE  ALT=\"wr%5E2=c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then, mulitply by w on both sides:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2=cw ALIGN=MIDDLE  ALT=\"r%5E2=cw\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then take the square root to find r:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=%2Bsqrt%28cw%29 ALIGN=MIDDLE  ALT=\"r=%2Bsqrt%28cw%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=-sqrt%28cw%29 ALIGN=MIDDLE  ALT=\"r=-sqrt%28cw%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "Done! </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );