Real-World Parabola of a Football

Kassandra Rodriguez and Emily Colucci Per. 4

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Vertex Form

f(3)=2 (5,4)


Y=a(x-h)2+k



2=a(3-5)+4

2=a(-2)+4

2=4a+4

-4 -4

2 4a

4 4

1/2=a

1/2a(x-5)2

V=(1,-5)

Questions 😃

-The height of the football represents the y-axis.

-The relevance to the equation where the ball hits the floor is where the points connect.

-The maximum height of the football (0,4)

-The football reaches the maximum height at (3,4)

-The domain is [0,5,7]

-The range is [0,5,4]