document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=187020>Question 187020</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0536944733/algebrahomeworkh>Introductory and Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Hi I'm trying to work out with the exercises in my txtbook..COuld you please help me solve these problems:\r<BR>\n" );
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document.write( "page 449 Question 16<BR>\n" );
document.write( "Find all the numbers for which each rational expression is undefined. If the rational expression is defined for all real numbers, so state.\r<BR>\n" );
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document.write( "(y+8)/ 16y^2-y-2\r<BR>\n" );
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document.write( "page 457 Question 50<BR>\n" );
document.write( "Divide as indicated.<BR>\n" );
document.write( "(x^2+x)/(x^2-4) divided by (x^2-1)/(x^2+5x+6)\r<BR>\n" );
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document.write( "Thanks in Advance\r<BR>\n" );
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document.write( "Kattie </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #140194 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=140194\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find all the numbers for which each rational expression is undefined. If the rational expression is defined for all real numbers, so state. <BR>\n" );
document.write( "(y+8)/ 16y^2-y-2<BR>\n" );
document.write( "Solve 16y^2-y-2 = 0<BR>\n" );
document.write( "y = [1 +- sqrt(1 - 4*16*-2)]/32<BR>\n" );
document.write( "y = [1 +- sqrt(129)]/32<BR>\n" );
document.write( "y = [1 + sqrt(129)]/32 or y = [1 - sqrt(129)]/32<BR>\n" );
document.write( "These are the values of y for which the expression is not defined.\r<BR>\n" );
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document.write( "------------------------------------------------------- <BR>\n" );
document.write( "page 457 Question 50<BR>\n" );
document.write( "Divide as indicated.<BR>\n" );
document.write( "(x^2+x)/(x^2-4) divided by (x^2-1)/(x^2+5x+6)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Factor where you can to get:<BR>\n" );
document.write( "[x(x+1) / (x+2)(x-2)] divided by [(x-1)(x+1)/(x+2)(x+3)]<BR>\n" );
document.write( "---- <BR>\n" );
document.write( "Invert the denominator and multiply:<BR>\n" );
document.write( "[x(x+1) / (x+2)(x-2)] multiplied by [(x+2)(x+3)/(x-1)(x+1))]<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Cancel any factors that are common to a numerator and a denominator<BR>\n" );
document.write( "such as (x+1), (x+2)<BR>\n" );
document.write( "[x / (x-2)] multiplied by [(x+3)/(x-1)]<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Simplify:<BR>\n" );
document.write( "[x(x+3)] / [(x-2)(x-1)]<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " \r<BR>\n" );
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document.write( " </SPAN>\n" );
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