Given that the line contains
is parallel to
;
.
Find the slope of
.
Let
be
and
be
.
(Slope formula)
(Substitute
)
(Simplify)
If the lines are parallel then their slopes are equal.
\So, the line parallel to
have the slope
.
Graph the line.
\Start at
, move down 1 unit and then right 1 unit.
Label the point B. Draw
.
_using_slope_-1.gif\")
The graph is
\_using_slope_-1.gif\")