Key Features of Quadratic Graphs Parabolas

Identify the form for the following Quadratic:

y = 3(x + 4)² - 1

• Vertex Form

• Standard Form

• Factored Form

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both

Name the Axis of Symmetry

• x = 1

• x = 0

Which function has an axis of symmetry of x = 0?

• 
• 
• 
• None of the above

If the vertex of a parabola is (2, −3), what is the axis of symmetry?

Identify the y-intercept

• (0, -3)

• (3, 0)

• (0, 3)

• (2, 1)

What was the maximum height of the ball? Choose the key feature and the answer choice.

• y-intercept, 3 feet

• y-intercept, 0 feet

• x-value of the vertex, 4 feet

• y-value of the vertex, 5 feet

When did the water reach its maximum height? Choose the key feature and the answer.

• x-value of vertex, 2 seconds

• y-value of vertex, 9 seconds

• y-intercept, 0 seconds

• x-intercept, 3.8 seconds

What is the significance of the ordered pair (1, -2) to the graph?

• It is the maximum point

• It is the vertex

• It is the y-intercept

• It is an x-intercept

What is the significance of the ordered pair (0, -1.5) to the graph?

• It is the maximum point

• It is the vertex

• It is the y-intercept

• It is an x-intercept