10/27: Characteristics of Quadratic Functions

Using the graph of the quadratic function, identify the y-intercept.

• (4, -6)

• (0, 2)

• (.5, 0)

• (7.5, 0)

What is a parabola?

• The straight graph of a quadratic function

• The circular graph of a quadratic function

• The V-shaped graph of a quadratic function

• The U-shaped graph of a quadratic function

Using the graph of the quadratic function, identify the vertex.

• (4, -6)

• (0, 2)

• (.5, 0)

• (7.5, 0)

Using the graph of the quadratic function, identify the domain.

• y > -6

• -2 < x < 10

• -∞ < x < ∞

• y < -6

Which of the following graphs appropriately marks the axis of symmetry?

• 
• 
• 
• 

Which of the following equations is written in the standard form for quadratic equations?

• 8x + 4y = 12

• y = 4x² - 7x + 11

• 3x² + 2x = 1

• 2x² - x³ + 14 = y

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both

What are the x-intercepts?

• 0 and 2

• -4 and 0

• 2 and 3

• 0 and 4

What is the vertex?

• (2, 4)

• (3, -1)

• (0, 8)

• (4, 2)

What is the name of this form:
y = ax² + bx + c

• vertex form

• standard form

• factored form

• zero form