1. How long will it take the ball to reach the height of 4.5 m?
a. 1.75 sec (going down) and 0.29 sec (going up).
b. 1.75 sec (going up) and 0.29 sec (going up).
2. How long will it take to touch the ground?
a. It will take 2.22 sec to touch the ground
b. It will take 3.33 sec to touch the ground
3. Do you think the ball can reach the height of 12 m?
a. Yes
b. No
4. Why?
a. The discriminant of the resulting equation is negative.
b. The discriminant of the resulting equation is positive.
(This is ACTIVITY 6 : Casual Conversation in English. I need your honest answer)
