Answer:
1. y=2x+4
2. y=x
3. y=-1/2x+1
4. y=-x+1
Explanation:
the formula for these are y=mx+b. Your slope would be m and y intercept would be b. so y=2x+4 would mean that the slope is 2 and y intercept is 4. you can find the points by checking what points are on the blue line.