The table shows the approximate height of a projectile x seconds after being fired into the air.


Which equation models the height, y, x seconds after firing?

y = –10(x)(x – 5)
y = 10(x)(x – 5)
y = –10(x – 5)
y = 10(x – 5)

time in seconds height meters
x y
0 0
1 40
2 60
3 60
4 40
5 0