document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=766545>Question 766545</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the equation of a linear graph which passes through the origin and has a gradient of seven? <BR>\n" );
document.write( " Please give the answer and a short explanation. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #467026 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=467026\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the equation of a linear graph which passes through the origin and has a gradient of seven? <BR>\n" );
document.write( "\"slope-intercept\" form of a line:<BR>\n" );
document.write( "y = mx + b<BR>\n" );
document.write( "where<BR>\n" );
document.write( "m is the slope (or gradient)<BR>\n" );
document.write( "and<BR>\n" );
document.write( "b is the y-intercept<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Since it passes the \"origin\", the y-intercept is 0 so now we have:<BR>\n" );
document.write( "y = mx + 0<BR>\n" );
document.write( "since the \"gradient\" is 7, m must be 7<BR>\n" );
document.write( "y = 7x + 0<BR>\n" );
document.write( "or<BR>\n" );
document.write( "y = 7x  (answer) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );