Solving Real World Problems Quadratics

The graph below shows the height, in feet, over time, in seconds, of a student's rocket. Use the graph to answer the questions below. What was the maximum height the rocket reached?

• 25 feet

• 45 feet

• 65 feet

• 85 feet

• 24 feet

• 10 feet

• -4 feet

• 3 feet

• 3 seconds

• 46 seconds

• 5 seconds

• 10 seconds

• 24 feet

• 9 feet

• 46 feet

• 34 feet

• 14 feet

• 17 feet

• 19 feet

• 22 feet

• Between 1 and 2 seconds

• Between 2 and 3 seconds

• Between 3 and 4 seconds

• Between 4 and 5 seconds

• Yes it will definitely clear 19 feet

• No his arm is weak it won't make it over 19 feet

• I'm not sure about this one, I've never seen Prince throw

You are cliff diving with some friends. Your path to the water is modeled by h(t) = -16t^2 + 8t +24. How long will it take for you to hit the water? What are you solving for?

• roots

• axis of symmetry

• y-value of the vertex

• y-intercept

A model rocket is launched from the ground and it's path is modeled by the function h(t) = -16t² + 96t. What are you solving for?

• x-intercept

• y -intercept

• vertex

• axis of symmetry

A dolphin jumps from the water. The function h(t) = -16t² + 80t models the dolphin's height at any given time, t. What is the maximum height the dolphin jumps? What are you solving for?

• solutions

• y-intercept

• axis of symmetry

• y-value of the vertex