Interpreting Quadratic Functions

The table represents some points on a graph of quadratic function g. Which statement about the graph of g is true?

• The graph of g has an x-intercept between 0 and 2.

The graphs of quadratic functions f and g have the same x-intercepts. Which of these statements are true about f and g?

• I only

• II only

• I and IV only

• II and III

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 elapses while the baseball is 80 meters or more above the ground

• 1 sec

• 9 sec

• 7 sec

• 6 sec

The graph represents the height of a rocket that is launched from the top of a building. Which statement best describes the path of the rocket?

• The rocket reached the ground between 2.25 seconds and 2.5 seconds.

• The rocket was below 34 feet between 0.25 seconds and 1 second

• The rocket reached its maximum between 1 second and 1.25 seconds.

• The rocket descended 8 feet between 1.5 seconds and 1.75 seconds.

A kid launches a rock off of a cliff. The height of the rock after t seconds can be modeled by the graph shown. When does the rock hit the ground?

• 1.094 seconds

• 174.141 seconds

• 155 seconds

• 4.393 seconds

• None of the above

• F
• G
• H
• J

• F
• G
• H
• J

• A

• B

• C

• D

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Use the quadratic function below to answer the following question: State the xy- intercept.