document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=558424>Question 558424</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am reviewing for a test and I think I got the first 3 right. Can anybody check my answers? Also, I am having trouble on number 4. Thanks!!!\r<BR>\n" );
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document.write( "1.	Solve. (x+18)(x-13)(x+16)>0<BR>\n" );
document.write( "                I got …-18 < x < -16 or x>13<BR>\n" );
document.write( "                 Am I right?\r<BR>\n" );
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document.write( "2.Multiply.  (2&#8730;3-6&#8730;6)(5&#8730;3+15&#8730;6)<BR>\n" );
document.write( "I got -510<BR>\n" );
document.write( "Am I correct?\r<BR>\n" );
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document.write( "3.	use the quadratic formula to solve the equation.x^2-x=-5<BR>\n" );
document.write( "I got: x=1+i&#8730;19/2, 1-i&#8730;19/2<BR>\n" );
document.write( "Am I correct?\r<BR>\n" );
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document.write( "4. find all the numbers for which the rational expression is undefined.<BR>\n" );
document.write( "            (s^3-6s)/(s^2-81)             <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #363057 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=363057\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Solve. (x+18)(x-13)(x+16)>0<BR>\n" );
document.write( "I got …-18 < x < -16 or x>13<BR>\n" );
document.write( "Am I right?<BR>\n" );
document.write( "It's correct.<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "2.Multiply. (2&#8730;3-6&#8730;6)(5&#8730;3+15&#8730;6)<BR>\n" );
document.write( "I got -510<BR>\n" );
document.write( "(2&#8730;3-6&#8730;6)(5&#8730;3+15&#8730;6)<BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2A3+%2B+30sqrt%2818%29+-30sqrt%2818%29+-90%2A6 ALIGN=MIDDLE  ALT=\"10%2A3+%2B+30sqrt%2818%29+-30sqrt%2818%29+-90%2A6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "= -510<BR>\n" );
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document.write( "------------- <BR>\n" );
document.write( "3. use the quadratic formula to solve the equation.x^2-x=-5<BR>\n" );
document.write( "I got: x=1+i&#8730;19/2, 1-i&#8730;19/2<BR>\n" );
document.write( "Am I correct?<BR>\n" );
document.write( "It's correct.<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "4. find all the numbers for which the rational expression is undefined.<BR>\n" );
document.write( "(s^3-6s)/(s^2-81) <BR>\n" );
document.write( "It's what makes the denominator zero.<BR>\n" );
document.write( "s = -9, +9<BR>\n" );
document.write( " </SPAN>\n" );
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