Answer:
3.) y-int = 0
4.) y-int = -1
5.) slope = 2
y-int = 4
6.) slope = -1
y-int = -6
7.) slope = 5
y-int = 8
8.) slope = 7
y-int = 1/2
Explanation:
basically, you want to get each of your functions in terms of (y = mx + b)
for each of these:
m will be your slope
b will be your y-intercept