document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=930443>Question 930443</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which equation has a graph that is perpendicular to the graph of 7x = 14y-8?\r<BR>\n" );
document.write( "\n" );
document.write( "1- y=-2x-7<BR>\n" );
document.write( "2- y= -1/2x+4<BR>\n" );
document.write( "3-y= 1/2x+1<BR>\n" );
document.write( "4-y=2x+9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #565013 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=565013\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Perpendicular lines have slopes which are negative reciprocals.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Slope-intercept form is y = mx + b<BR>\n" );
document.write( "m is the slope <BR>\n" );
document.write( "b is the y-intercept\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "7x = 14y - 8<BR>\n" );
document.write( "7x + 8 = 14y {added 8 to each side}<BR>\n" );
document.write( "(1/2)x + (8/14) = y<BR>\n" );
document.write( "slope is 1/2\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "A line perpendicular would have a slope of -2 {the negative reciprocal of 1/2}\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "#1 y = -2x - 7 {it is the only one with a slope of -2}<BR>\n" );
document.write( "<br>For more help from me, visit: <a  rel=nofollow HREF= \"http://www.algebrahouse.com/\" target = \"_blank\">www.algebrahouse.com</a><br><br><br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );