Observe the graph:
\The line passes through the points are
and
.
Find the slope.
\
.
(Formula for slope)
(Substitute
and
)
(Subtract:
and
)
(Simplify)
Therefore, the slope is
.
\
The line passes through the point is
and
.
Point-slope form of the equation of a line is
.
Find the slope intercept line equation.
\
(Formula for Point-slope from of line equation)
(Substitute
and
)
(Distributive property:
)
(Add
to each side)
(Apply additive inverse property:
)
Therefore, the slope intercept form of the line equation is
.
The point slope intercept form of the line eqaution is
.