Question

Word problem is attached

Answer 1

The equation
y = -4.9x^2 + 301x + 255
is in the form
y = ax^2 + bx + c


Do you agree with this statement?

Answer 2

@Amy2012 let me know if you're stuck anywhere.

Answer 3

Yes. I found the first part of the question, 30.71 but stuck onto eh 2nd part

Answer 4

@jim_thompson5910

Answer 5

That value of 30.71 represents the time when the rocket is at the peak

it's the t value

t = 30.71

this is approximate

Answer 6

plug this t value back into the equation to find the h value (height)

Answer 7

hopefully that makes sense @Amy2012 ?