document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1096157>Question 1096157</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1) If w varies directly as z and w = 9 when z = -6, find w when z = 3.<BR>\n" );
document.write( "   a) 0<BR>\n" );
document.write( "   b) -4.5<BR>\n" );
document.write( "   c) -2<BR>\n" );
document.write( "   d) 4.5\r<BR>\n" );
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document.write( "2) If y varies directly as x and y = 2 when x = 4, find x when y = 4.<BR>\n" );
document.write( "   a) 2<BR>\n" );
document.write( "   b) 4<BR>\n" );
document.write( "   c) 16<BR>\n" );
document.write( "   d) 8\r<BR>\n" );
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document.write( "3) If y varies inversely as x and y = 15 when x = 3, find y when x = 9.<BR>\n" );
document.write( "   a) 45<BR>\n" );
document.write( "   b) 3<BR>\n" );
document.write( "   c) 15<BR>\n" );
document.write( "   d) 5\r<BR>\n" );
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document.write( "4) If y varies inversely as x and y = 14 when x = 3, find x when y = 84.<BR>\n" );
document.write( "   a) 6<BR>\n" );
document.write( "   b) 2<BR>\n" );
document.write( "   c) 1/2<BR>\n" );
document.write( "   d) 28\r<BR>\n" );
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document.write( "5) When buying gasoline, you notice that 14 gallons of gasoline is approximately the same as 53 liters. Use this information to find a linear model that relates gallons to liters. Then use the model to find the number of liters in 25 gallons. Round your answer to the nearest tenth.<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 #710707 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=710707\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) If w varies directly as z and w = 9 when z = -6, find w when z = 3.<BR>\n" );
document.write( "w = k*z --- k is a constant.<BR>\n" );
document.write( "9 = k*-6<BR>\n" );
document.write( "k = -1.5<BR>\n" );
document.write( "---<BR>\n" );
document.write( "find w when z = 3<BR>\n" );
document.write( "w = -1.5*z<BR>\n" );
document.write( "w = -4.5<BR>\n" );
document.write( "==============================================<BR>\n" );
document.write( " 2) If y varies directly as x and y = 2 when x = 4, find x when y = 4.<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Same problem, different numbers.<BR>\n" );
document.write( "===========================================<BR>\n" );
document.write( " 3) If y varies inversely as x and y = 15 when x = 3, find y when x = 9.<BR>\n" );
document.write( "y = k/x<BR>\n" );
document.write( "O/w, same as #1<BR>\n" );
document.write( "========================================<BR>\n" );
document.write( " 4) If y varies inversely as x and y = 14 when x = 3, find x when y = 84.<BR>\n" );
document.write( "y = k/x<BR>\n" );
document.write( "O/w, same as #1<BR>\n" );
document.write( "=========================================<BR>\n" );
document.write( " 5) When buying gasoline, you notice that 14 gallons of gasoline is approximately the same as 53 liters. Use this information to find a linear model that relates gallons to liters.<BR>\n" );
document.write( "L = 53g/14<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Then use the model to find the number of liters in 25 gallons. Round your answer to the nearest tenth.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );