document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=96867>Question 96867</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131808583/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> y varies directly with x. so if:<BR>\n" );
document.write( "if x is doubled, what happens to y? what if x is halved? <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 #70492 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=70492\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y varies directly with x.<BR>\n" );
document.write( "y = kx<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "if x is doubled, what happens to y<BR>\n" );
document.write( "y = k(2x)<BR>\n" );
document.write( "y = 2kx<BR>\n" );
document.write( "\"y\" is doubled<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "what if x is halved?<BR>\n" );
document.write( "y = k((1/2)x)<BR>\n" );
document.write( "y = (1/2)kx<BR>\n" );
document.write( "\"y\" is halved<BR>\n" );
document.write( "============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );