document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=82458>Question 82458</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello,\r<BR>\n" );
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document.write( "I need help with the following problems as I get an error message on my calculator! <BR>\n" );
document.write( "its:<BR>\n" );
document.write( "1. sqrt x-1=3 ( I don't know the square root symbol!)\r<BR>\n" );
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document.write( "2. sqrt x^3=8\r<BR>\n" );
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document.write( "3. 3 sqrt x^2=4\r<BR>\n" );
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document.write( "4. Is sqrt x^2 power an identity (true for all values of x)?\r<BR>\n" );
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document.write( "Thanks so much for your help!!  :)<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #59103 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=59103\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. sqrt(x-1) = 3<BR>\n" );
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document.write( "(Sqrt(x-1))^2 = 3^2; square both sides<BR>\n" );
document.write( "x - 1 = 9; gets rid of the radical<BR>\n" );
document.write( "x = 9 + 1<BR>\n" );
document.write( "x = 10<BR>\n" );
document.write( "Check: sqrt(10-1) = 3<BR>\n" );
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document.write( "2. sqrt(x^3) = 8<BR>\n" );
document.write( "Square both sides again:<BR>\n" );
document.write( "x^3 = 64<BR>\n" );
document.write( "x = CubeRt(64)<BR>\n" );
document.write( "x = 4<BR>\n" );
document.write( "Check: Sqrt(4^3) = 8<BR>\n" );
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document.write( "3. 3*sqrt(x^2) = 4<BR>\n" );
document.write( "Square both sides:<BR>\n" );
document.write( "(3*sqrt(x^2) = 4^2<BR>\n" );
document.write( "9*(x^2) = 16<BR>\n" );
document.write( "x^2 = 16/9<BR>\n" );
document.write( "x = Sqrt(16/9)<BR>\n" );
document.write( "x = +/-4/3<BR>\n" );
document.write( "Check 3 * sqrt[(4/3)^2] = 4 (on a calc)<BR>\n" );
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document.write( "4. Is sqrt x^2 power an identity (true for all values of x)?<BR>\n" );
document.write( "I think it is  </SPAN>\n" );
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