Exploring Projectile Motion and Quadratic Word Problems

What is the initial upward velocity of the ball?

• 8 feet per second

• 15 feet per second

• 10 feet per second

• 12 feet per second

What is the initial height of the ball when thrown?

• 5 feet

• 10 feet

• 6 feet

• 0 feet

What direction does the parabola open due to the ball's motion?

• Upward

• Downward

• Sideways

• None

What is the formula to find the vertex of a parabola?

• b / a

• -b / a

• b / 2a

• -b / 2a

At what time does the ball reach its maximum height?

• 3 seconds

• 1.5 seconds

• 2 seconds

• 2.5 seconds

What is the maximum height reached by the ball?

• 10 feet

• 15 feet

• 12 feet

• 14 feet

How do you solve for the time when the ball hits the ground?

• None of the above

• Setting height to zero

• Setting velocity to zero

• Setting acceleration to zero

What is the time when the ball hits the ground?

• 3.5 seconds

• 2.8 seconds

• 3.37 seconds

• 4 seconds

At what times does the ball reach a height of 10 feet?

• 2 and 3.5 seconds

• 1.5 and 3 seconds

• 1 and 2 seconds

• 0.5 and 2.5 seconds

What method can be used to solve for times when the ball is at 10 feet other than the quadratic formula?

• Differentiation

• Integration

• Graphing

• Factoring