Parabolas Real World

The graph shows the height of a rocket over time. What conclusion can be made about the flight of the rocket?

• The rocket reached its maximum height at 4 seconds.

• At 0 seconds, the rocket was 3 meters off the ground.

• The rocket was in flight for 16 seconds.   

• The maximum height of the rocket was 8 meters.

When is the rocket at a height of 12 meters?

• 2 seconds

• 2 seconds and 4 seconds

• 2 seconds and 6 seconds

• 7 seconds

Pablo throws a ball with a path of
h = -5(t - 2)².
Maria throws a ball with a path of
h = -5(t - 2)² + 10.
Which description is reasonable for the difference in the two equations?

• Maria throws the ball 10 times harder than Pablo does.

• Maria starts her ball at a height 10 feet higher than Pablo does.

• Pablo throws the ball 10 times harder than Maria does.

• Pablo starts his ball at a height 10 feet higher than Maria does.

Find the focus and the directrix.

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Find the focus and the directrix.

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Find the focus and the directrix.

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Find the focus and the directrix.

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