
The line equation in slope-intercept form is
, where m is
the slope and b is the y-intercept.
\ \Find the y-intercept value by replacing m with 2, y with –2 and x with 4 in
\the equation
.

(Multiply:
)
(Subtract 8 from each side)
(Apply commutative property of addition:
)
(Apply additive inverse property:
)
(Subtract:
)
Replace m with 2 and b with –10 in the equation
.

(Simplify)
The slope-intercept form of the line equation is
.