Quadratics- Intercept Form

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

• 8 and 2

• (8, 2)

• -8 and - 2

• (-8, -2)

Tags

CCSS.HSF-IF.C.7C

What are the x-intercepts?

• 0 and 8

• -2 and -4

• 3 and -1

• 2 and 4

Tags

CCSS.HSF-IF.C.7A

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

Tags

CCSS.HSF-IF.C.7A

Identify the y-intercept

• (0, -3)

• (0, 1)

• (0, 3)

• (2, 1)

Tags

CCSS.HSF-IF.C.7A

For f(x) = (x-3)(x+4), what are the coordinates of the y-intercept?

• (3,0) and (4,0)

• (0,3) and (0,4)

• (0,-12)

• (-12,0)

Tags

CCSS.HSF-IF.C.7A

What is the vertex?

• (2, 0)

• (3, -1)

• (0, 8)

• (4, 0)

Find the vertex of

f(x) = -(x+6)(x-2)

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)