Answer:
2. y intercept is at 0 because it needs to go through the origin if it is proportional
3. y intercept is positive the line crosses above 0. when y intercept negative the line crosses below 0
4. y intercept is 0
5. y intercept is 1.8. it represents the time remaining as its starting timer.
6. (0, 1). y intercept is 1
7. y intercept is -4
8. y intercept is 0
9. 80m