review so far Alg 2

Which graph is linear?

• Graph A
• Graph B
• Graph C
• Graph D

What is the vertex?

• (-3, 0)

• (3, 0)

• (0, 18)

• (18, 0)

Which statement about the graph is FALSE?

• The vertex is (-3, 18)

• The vertex is a maximum

• The y-intercept is y = 0

• The axis of symmetry is y = -3

Which of the statements about the graph is FALSE?

• The vertex is a maximum

• There are two zeros at x = -3 and x = 3

• The y-intercept is (0, 18)

• The range is y ≥ 18

If the vertex of a parabola is (2, −3), what is the axis of symmetry?

Identify the y-intercept

• (0, -3)

• (3, 0)

• (0, 3)

• (2, 1)

• y-intercept is located at (0, 16)

• y-intercept is located at (0, 10)

• It is a positive function with a minimum

• It is a negative function with a maximum

• Reflects over the x-axis

• Positive function with a minimum

• Negative function with a maximum

• Vertex located at (3, -16), and an axis of symmetry at x = 3

• Vertex located at (3, -16) and an axis of symmetry at y = -16

• Reflects over the x-axis

The vertex of the given quadratic function is at its minimum.

• True

• False

What is the range of this function?

• (- ∞,+∞)
• [0, +∞)
• [-2, +∞)
• [2, +∞)