Answer:
0 and - 1
Explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
(a)
y = 3x or y = 3x + 0 has c = 0 ← y- intercept
Thus line passes through the origin
(b)
y = - x - 2 has m = - 1 ← slope