Question

MATH HELP PLZ MEDAL AND FAN


A kicker starts a football game by "kicking off". The quadratic function y = -8⋅x2 + 28⋅x models the football's height after x seconds. How long is the football in the air?

Answer 1

yes shay that meabs -b over 2a

Answer 2

yes i understand

Answer 3

@Shay17

Answer 4

-_- i dont know which one is b and a

Answer 5

i have 20 mins left to finish 10 test or else i fail.

Answer 6

8 over 28*2

Answer 7

its 8x^2

Answer 8

(4x+_)(2x-_)

Answer 9

grr do i look like a computer i was taught the old way

Answer 10

and im 15

Answer 11

just nvermind thnx 4 trying to help shay