Quadratic Warm Up

Front

What is the value of i^2?

Back

-1

Front

What is the height function for an object dropped from a height of 24 feet?

Back

h(t) = -16t^2 + 8t + 24

Front

How long does it take for an object to hit the water when dropped from a height of 24 feet?

Back

1.5 seconds

Front

What is the result of (-8 + 9i) - (10 - 3i)?

Back

-18 + 12i

Front

What is the height function for a ball thrown with an initial velocity of 40 ft/s?

Back

h(t) = -16t^2 + 40t + 10

Front

How long does it take for the ball to reach its maximum height when thrown with an initial velocity of 40 ft/s?

Back

1.25 seconds

Front

What is the height function for a ball dropped from a third-story window?

Back

h = -5t^2 + 45

Front

When is the ball at ground level if dropped from a height of 45 meters?

Back

only at t = 3 seconds

Front

What is the formula for the height of an object in free fall?

Back

h(t) = -16t^2 + vt + h0, where v is initial velocity and h0 is initial height.

Front

What does the vertex of a quadratic function represent in a real-world context?

Back

The maximum or minimum height of an object in projectile motion.