The quadratic model f(x) = –5x2 + 200 represents the approximate height, in meters, of a ball x seconds after being dropped. The

Question

Marizza181 [45]

4 years ago

9

The quadratic model f(x) = –5x2 + 200 represents the approximate height, in meters, of a ball x seconds after being dropped. The

ball is 50 meters from the ground after about how many seconds?

Mathematics

2 answers:

Lelu [443] · Answer 1 · 2021-12-13T21:33:22+03:00

Lelu [443]4 years ago

9 0

The quadratic model is f(x) = -5x^2 + 200.
f(x) = 50 meters
x = time in seconds

50 = -5x^2 + 200
5x^2 = 150 // Here, divide both side by 5
x^2 = 30
x = $\sqrt{30}$ seconds
Or approximately 5.48 seconds

Serga [27] · Answer 2 · 2021-12-13T23:48:24+03:00

Serga [27]4 years ago

7 0

Answer:

c

Step-by-step explanation:

got it on the test