Question 5 (1 point)
A softball is thrown from the top of a 30ft building. The height of the ball is modeled by
ht) = -16ť+ 20++ 30
where t is time in seconds.
How long does it take for the ball to hit the ground?
Question to answer: What are you trying to find?
vertex
O a
Oь
Ос
Od
x intercepts
intersection of a line on graph
y intercept
Question 6 (1 point)
A softball is thrown from the top of 30ft building. The height of the ball is modeled by
h(t) = -16+ + 20t+ 30 wheret is time in seconds.
How long does it take for the ball to hit the ground?
Question to be answered: What method will you use to solve?
Quadratic formula
Complete the square