Question

The path of a football kicked by a field goal kicker can be modeled by the equation y = –0.03x2 + 1.53x, where x is the horizontal distance in yards and y is the corresponding height in yards.

Q1: What is the football’s maximum height? Round to the nearest tenth.

Q2: How far is the football kicked?

Answer 1

I would give you the answer if you did not keep deleting your question after I help you out with them. That can also help others.

Answer 2

i'm not deleting them, i'm just closing them so no one else can answer and confuse people :p

Answer 3

ok, I'm not gonna give you the answer so that you can actually understand the problem, but I'll tell you this:

Q1: You need to find the value at -b/2a
Q2: Plug in that value for y

Your actual equation is this: y = -.03x^2 + 2.53x

Hint: y = ax^2 + bx + c

Answer 4

this is practice so i'd rather the answer so i can try to solve the equation :p

Answer 5

Well, just plug in the values:

a = -.03
b = 2.53
c = you have no c in this problem

Answer 6

Q1: -1.26 ?

Answer 7

2: same?

Answer 8

i just need the answers. so i can figure the work out lol

Answer 9

No, I didn't get that for Q1, what I got was 42.1667

Answer 10

Q1: is 19.5 i just got the answer.

how about Q2?

Answer 11

...

Answer 12

Plug your answer in for y and solve for x.

Answer 13

Oh wow I'm so sorry, I rewrote your problem wrong.

Here's the actual equation: y = -0.03x^2 + 1.53x



Q1: 25.5

Answer 14

q2?

Answer 15

I'm getting an imaginary solution for that. I guess that you could put the same as Q1, otherwise it would be weird to have an imaginary distance. Here's what I got:
x = 25.5 +- 14.3i

Answer 16

Was this the original equation, though?\[y = - 0.03x ^{2} + 1.53x\]