Parts of Quadratics

What is the significance of the ordered pair (0, -2) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

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

Quadratic equations take the shape of a _______ when graphed.

• parabola

• straight line

• snaked line

• elliptical

Which point is the vertex?

• (-8, 0)

• (-5, -9)

• (-2, 0)

• (-9, -5)

What are the green dots called?

• y-intercepts
• maximum
• minimum
• roots/x-intercepts

Does this parabola have a minimum or maximum and what is its value?

• minimum: 2

• maximum: 2

• minimum: 5

• maximum: 5

Identify the y-intercept

• (0, -3)

• (3, 0)

• (0, 3)

• (2, 1)

What is the vertex?

• (-3, 0)

• (3, 0)

• (0, 18)

• (18, 0)

What is the Domain?

• y ≥ 6

• -10 ≤ y ≤ 6

• -10 ≤ x ≤ 6

• All real numbers

Which of the following are true? Check all that apply.

• The vertex is (-2,1)

• The vertex is (1,-2)

• The axis of symmetry is x = -2

• The axis of symmetry is y = -2