Quadratic Key Functions

Which point is the vertex?

• (-8, 0)

• (-5, -9)

• (-2, 0)

• (-9, -5)

State the domain and range.

• Domain: All real numbers, Range: y ≥ -9

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -8, Range: y ≥ -9

• Domain: x ≥ -8, Range: All real numbers

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

• 
• 
• 
• None of the above

Tags

CCSS.HSF-IF.C.7A

What is the range of the function?

Tags

CCSS.HSF-IF.C.7A

What is the domain of the function?

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the increasing interval of the function?

Tags

CCSS.HSF-IF.C.7A

What is the decreasing interval of the function?

Find the increasing interval

Find the axis of symmetry

• x = 2

• x = -2

• x = 0

• x = 4

Which function has a vertex that is a minimum?

• 
• 
• 
• All of the above