Which of the following scenarios would use a quadratic equation to solve?(1 point)

Responses

An accountant models the growth of a savings account that doubles every month to find how much will be in the account in 10 years.
An accountant models the growth of a savings account that doubles every month to find how much will be in the account in 10 years.

A child places a quarter into a piggy bank every week.
A child places a quarter into a piggy bank every week.

A coach models the trajectory of a ball to find out how high the player is kicking the ball.
A coach models the trajectory of a ball to find out how high the player is kicking the ball.

The trajectory of a balloon that rises 2 feet per second is modeled to find how high the balloon will be in 5 minutes.

1 answer

The scenario that would use a quadratic equation to solve is:

A coach models the trajectory of a ball to find out how high the player is kicking the ball.

This is because the trajectory of a kicked ball typically follows a parabolic path, which can be described by a quadratic equation. The other scenarios involve either linear growth (like the savings account and piggy bank) or linear motion (like the balloon rising), which do not require quadratic equations.

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