\r\n" );
document.write( "Compare \r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "with\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "We see that the
is
, so that makes\r\n" );
document.write( "the y-intercept
or
\r\n" );
document.write( "and that the slope,
, is
.\r\n" );
document.write( "\r\n" );
document.write( "First we plot the y-intercept
:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Now the slope is
, so we\r\n" );
document.write( "take the numerator of the slope
, which\r\n" );
document.write( "is
, as the rise, and the denominator,\r\n" );
document.write( "which is
, as the run.\r\n" );
document.write( "\r\n" );
document.write( "So we start at the y intercept and draw the rise\r\n" );
document.write( "of
units upward, indicated below as an upward\r\n" );
document.write( "pointing arrow. (If the slope had been negative we \r\n" );
document.write( "would have drawn it pointing downward):\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Then we go right
units for the run,\r\n" );
document.write( "(run is always to the right) indicated by the second arrow\r\n" );
document.write( "pointing to the right:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Now to graph the line, all we do is draw a\r\n" );
document.write( "straight line through the y-intercept (0,1)\r\n" );
document.write( "and through the arrow head at the end of\r\n" );
document.write( "the run. So we have this graph:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" );
document.write( "