Quadratic Word Problems

A water balloon is catapulted into the air so that its height, h, in meters after t seconds is  $h=-4.9t^2+27t+2.4$  
What is the max height of the balloon? 

• 2.5

• 2.4

• 40

• 50

A water balloon is catapulted into the air so that its height, h, in meters after t seconds is  $h=-4.9t^2+27t+2.4$  
From what height was the balloon launched? 

• 2.5

• 2.4

• 40

• 50

A water balloon is catapulted into the air so that its height, h, in meters after t seconds is  $h=-4.9t^2+27t+2.4$  
How long did it take the balloon to reach its max height? 

• 2.5

• 2.4

• 40

• 50

A water balloon is catapulted into the air so that its height, h, in meters after t seconds is  $h=-4.9t^2+27t+2.4$  
How high is the balloon after 1 second? 

• 0.4

• 25

• 15

• 5

A person throws a ball upward. The ball has an initial velocity of 64 ft/s. The motion of the ball is modeled by the equation  $h=-16t^2+64t+18$  
At what time does the ball reach it's maximum height?

• 2

• 4

• 8

• 80

A person throws a ball upward. The ball has an initial velocity of 64 ft/s. The motion of the ball is modeled by the equation  $h=-16t^2+64t+18$  
What is the maximum height??

• 2

• 4

• 75

• 80

A person throws a ball upward. The ball has an initial velocity of 64 ft/s. The motion of the ball is modeled by the equation  $h=-16t^2+64t+18$  
At what time does the ball hit the ground?

• 4

• 4.25

• 4.5

• 5

A person throws a ball upward. The ball has an initial velocity of 64 ft/s. The motion of the ball is modeled by the equation  $h=-16t^2+64t+18$  
How high was the person when he threw the ball?

• 2

• 18

• 20

• 80