Quadratic Function Real World with Graphs

Match the graph with its function.

Answer explanation

The graph in the picture is wider than the parent function, therefore 1 > |a| > 0 . It is also open upwards, therefore a > 0.

Match the graph with its function.

Answer explanation

The graph in the picture is more narrow than the parent function, therefore |a| > 0 . It is also open downward, therefore a < 0.

Tags

CCSS.HSF-IF.C.7A

Match the graph with its function.

Answer explanation

The graph in the picture is more narrow than the parent function, therefore |a| > 0 . It is also open upward, therefore a > 0.

Tags

CCSS.HSF-IF.C.7A

Match the graph with its function.

Answer explanation

The graph in the picture is the same width of the parent function, therefore |a| = 1 . It is also open downward, therefore a > 0.

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

• 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