document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=339871>Question 339871</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve with a fraction as power?<BR>\n" );
document.write( "x^3/4 = -8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #243525 by </B><A HREF=/tutors/aboutme.mpl?userid=Jk22><B>Jk22(389)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Jk22><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=Jk22><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=243525\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^3/4 = -8 | ^4/3 (x^a)^(1/a)=x^(a/a)=x^1=x\r<BR>\n" );
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document.write( "x=(-8)^(4/3)=(-2)^4=16 (3root(-8)=-2, indeed, -2*-2*-2=-8)\r<BR>\n" );
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document.write( "Verify : 16^(1/4)=+/-2, (+/-2)^3=+/-8.\r<BR>\n" );
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document.write( "( ! However on a calculator, x^q, q rational, is not defined for x<0)  </SPAN>\n" );
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