The line equation in slope-intercept form is , where m is the slope and b is the y-intercept.
The x-intercept is . The graph crosses the x-axis at
The y-intercept is . The graph crosses the y-axis at
Find the slope using slope formulae,
Slope formulae
(Replace
and
with
, 0, 0 and
)
(Subtract:
)
(Subtract:
)
(Simplify)
(Multiply:
)
Slope is
Next find the y-intercept value.
\ (Substitute
for m)
(Substitute
for x and y)
(Cancel common factors)
(Simplify)
Substitute for m and
for b in the Slope-intercept form equation.
The line equation in slope-intercept form is