Comparing Quadratic Functions

What kind of function is this graph?

• Linear

• Quadratic

• Exponential

The graph of a quadratic function is called

• a line

• a hyperbola

• a parabola

• a cubic

Which of the following is NOT a quadratic function

• f(x) = -3x²

• f(x) = -5x - 3x²

• f(x) = 3x³ - 4x² + 5

• f(x) = 3x + 5

• (1)

• (2)

• (3)

• (4)

• F
• G
• H
• J

• A

• B

• C

• D

• g(x) is narrower.

• g(x) is translated up

• g(x) is translated down

• g(x) is wider

Which function is quadratic?

• f(x)

• h(x)

• g(x)

Identify the function shown shown
.

• Linear

• Quadratic

• Exponential 

• Not answering

A ball was projected from a height (in feet) and it followed the parabola path above. (click to enlarge the picture).

What is the maximum (highest) height of the ball? ​ (a)  

How long did it take the ball to reach the maximum? ​ (b)  

How high was the ball when it was thrown? ​ (c)  

• Exactly 12 feet

• 12.5 feet

• 4 seconds

• 5 second

• 6 feet

• 4.5 feet