Key Characteristics of Quadratic Functions

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

• (4, -6)

• (0, 2)

• (.5, 0)

• (7.5, 0)

Tags

CCSS.HSF-IF.C.7A

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

Tags

CCSS.HSF-IF.C.7A

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

• all real numbers

• y < -6

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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

• y < -6

• -2 < x < 10

• -∞ < x < ∞

• $y\ge-6$

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry?

• A line whose equation is the x-coordinate of a parabola's vertex

• A central line that divides a parabola into mirror images

• A line that intersects a parabola at the vertex

• All of the above

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

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

Tags

CCSS.HSF-IF.C.7A

Use the graph to determine the solutions.
*Hint: Solutions = roots = zeros = x-intercepts

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3