Answer:
y = -
x -

Explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Here m = -
, then
y = -
x + c ← is the partial equation
To find c substitute (2, - 4 ) into the partial equation
- 4 = -
+ c ⇒ c = -
+
= -

y = -
x -
← equation of line