Quadratic Equations in Context

Your friend passes you the ball during a soccer game. The height off the ground is modeled by the equation

h = -4t² + 12t. How long did it take for the soccer ball to hit the ground?

• 3 sec

• 1.5 sec

• 9 sec

• 0 sec

Your friend passes you the ball during a soccer game. The height off the ground is modeled by the equation

h = -4t² + 12t. How long did it take for the soccer ball to reach it's max height?

• 3 sec

• 1.5 sec

• 9 sec

• 0 sec

A toy rocket is launched from the top of a hill. The rocket's height, h(x), is modeled by the

equation

h(x) = -16x² + 32x +48

after x seconds. How high was the rocket at 1 seconds?

• 48 feet

• 64 feet

• 100 feet

• 3 feet

A toy rocket is launched from the top of a hill. The rocket's height, h(x), is modeled by the

equation

h(x) = -16x² + 32x +48

after x seconds. How high was the hill?

• 48 feet

• 64 feet

• 100 feet

• 3 feet

A toy rocket is launched from the top of a hill. The rocket's height, h(x), is modeled by the

equation

h(x) = -16x² + 32x +48

after x seconds. How long did it take for the rocket to hit the ground?

• 1 sec

• 2 sec

• 3 sec

• 4 sec

A diver is standing on a platform above the pool. Use the formula

h(t) = −16 t² + 8t + 24,

where h is his height above the water, t is the time, v is his starting upward velocity.

How high is the platform in feet? Just enter the number.

A diver is standing on a platform above the pool. Use the formula

h(t) = −16 t² + 8t + 24,

where h is his height above the water, t is the time, v is his starting upward velocity.

How many seconds did it take to reach the maximum height? Just enter the number

A diver is standing on a platform above the pool. Use the formula

h(t) = −16 t² + 8t + 24,

where h is his height above the water, t is the time, v is his starting upward velocity.

What was the max height of the diver in feet? Just enter the number

A diver is standing on a platform above the pool. Use the formula

h(t) = −16 t² + 8t + 24,

where h is his height above the water, t is the time, v is his starting upward velocity.

How high was the diver after 1 second? Just enter the number

A diver is standing on a platform above the pool. Use the formula

h(t) = −16 t² + 8t + 24,

where h is his height above the water, t is the time, v is his starting upward velocity.

How long did it take for the diver to hit the water? Just enter the number