document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=757551>Question 757551</A>: <I><SPAN STYLE=\"word-break: break-all;\"> which of the following equations is a direct variation? <BR>\n" );
document.write( "A. y=2x<BR>\n" );
document.write( "B. y=x+2 <BR>\n" );
document.write( "C. y=2<BR>\n" );
document.write( "D. y=-2x-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #460887 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=460887\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Q:<BR>\n" );
document.write( "which of the following equations is a direct variation?<BR>\n" );
document.write( "A. y=2x<BR>\n" );
document.write( "B. y=x+2<BR>\n" );
document.write( "C. y=2<BR>\n" );
document.write( "D. y=-2x-1<BR>\n" );
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document.write( "A:<BR>\n" );
document.write( "If y varies directly as x, then y = kx, where k is a non-zero constant.<BR>\n" );
document.write( "Option <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28A%29 ALIGN=MIDDLE  ALT=\"highlight%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > y =2x is a direct variation. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );