Quadratic Functions 3/25

Find the zeros.

• 0 and 4
• 0 and -4
• 0
• -4

What are the x-intercepts for g(x) = (x + 8)(x + 2)

• 8 and 2

• (8, 2)

• -8 and - 2

• (-8, -2)

What are the x-intercepts?

• 0 and 8

• -2 and -4

• 3 and -1

• 2 and 4

What is the axis of symmetry of the given function?

• x = -4

• x = 4

• x = -2

• x = 2

Determine the domain and range of the function

• Domain: All real numbers

  Range: All real numbers

• Domain: all real numbers greater than or equal to -4

  Range: All real numbers

• Domain: All real numbers

  Range: All real numbers greater than or equal to -4.

• Domain: all real numbers between -1 and 5.

  Range: All real numbers greater than or equal to -4.

Find the vertex   y = (x - 5)(x - 1)

• (5, 1)
• (-5, - 1)
• (3, -4)
• (-3, 32)

What is the significance of the ordered pair (2, -4) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Identify the y-intercept

• (0, -3)

• (0, 1)

• (0, 3)

• (2, 1)

Determine the domain and range of the function.

• Domain: all real numbers.

  Range: all real numbers less than or equal to 1.

• Domain: all real numbers.

  Range: all real numbers less than or equal to 2.

• Domain: all real numbers less than or equal to 1.

  Range: all real numbers.

• Domain: all numbers between 1 and 3.

  Range: all real numbers less than or equal to 1.

What is the axis of symmetry?

• x = - 4
• x = - 2
• x = 0
• x = 4