Answer :
Basically, just substitute 0 for x and solve for y, and vice-versa.
y=-x+8
y-intercept: 8
x-intercept: 8
y=-3x
y-intercept: 0
x-intercept: 0
y=x-2
y-intercept: 2
x-intercept: 2
y=-4x+2
y-intercept: 2
x-intercept: 1/2
y=-x+8
y-intercept: 8
x-intercept: 8
y=-3x
y-intercept: 0
x-intercept: 0
y=x-2
y-intercept: 2
x-intercept: 2
y=-4x+2
y-intercept: 2
x-intercept: 1/2