Interpreting Quadratics

Adriel is a chemical technician who oversees holiday fireworks displays. For the next holiday, he is planning to launch rockets carrying fireworks from a hill 80 ft above the lake. The rocket explodes at its maximum height and then falls into the lake. After how many seconds does the rocket hit the ground?

A golfer hits a ball from a tee box. Which of the following illustrate the appropriate domain?

• All real numbers between 0 and 230

• All integers between 0 and 36

• [0, 36]

• [0, 230]

Tags

CCSS.HSF-IF.C.7A

A player tips the volleyball over the net.

What is h(3)?

• 6 ft

• 10 ft

• 14 ft

• 16 ft

Tags

CCSS.HSF.LE.B.5

• (1 , 2)

• (0 , 9)

• (2 , 1)

• (2 , - 1)

Which three statements about the function are true?

• g(1) = -1

• g(0) = 0

• g(4) = -2

• g(1) = 1

• g(-1) = 1

Tags

CCSS.HSF.IF.A.2

The graph shows the height of a baseball from the time it is thrown from the top of a building to the time it hits the ground. How much time until the baseball is 80 meters above the ground.

• 1 sec

• 9 sec

• 7 sec

• 6 sec

The graph below shows h, the height in meters of a model rocket, versus t, the time in seconds after the rocket is launched. From the graph, what conclusion con be made about the flight of the rocket?

• The rocket reaches its maximum height after 2.5 seconds

• At 0 seconds the rocket was 2 meters off the ground

• The height of the rocket was 0 meters when it was launched

• The rocket was in flight for 5 seconds

Which of the following equations matches standard form of a quadratic?

• ax + by = c

• y = a(x - h)² + k

• y = ax² + bx + c

• y = mx + b

What does h(2) = 79 mean in the situation?

Tags

CCSS.HSF.IF.A.2