document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=127443>Question 127443</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine which two equations represent parallel lines.\r<BR>\n" );
document.write( "\n" );
document.write( "(a) y=-9x+4<BR>\n" );
document.write( "(b) y=9x+4<BR>\n" );
document.write( "(c) y=1/9x+4<BR>\n" );
document.write( "(d) y=-9x+5\r<BR>\n" );
document.write( "\n" );
document.write( "A) (a) and (d)<BR>\n" );
document.write( "B) (a) and (c)<BR>\n" );
document.write( "C) (a) and (b)<BR>\n" );
document.write( "D) (b) and (c)\r<BR>\n" );
document.write( "\n" );
document.write( "I came up with C (a and b).  Any confirmation or suggestions?  Thanks!   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #93361 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=93361\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Recalling that parallel lines have identical slopes, the equations in (a) and (d) both have a slope of m = -9, so the answer should be:<BR>\n" );
document.write( "(a) and (d) which is choice: A </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );