Quiz Review 11/6

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Which letter determines if a parabola opens up or down?

• a

• h

• k

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Does this function have a maximum or minimum?

• maximum

• minimum

What is the vertex of this function?

• (0, -3)

• (1, -4)

• (-2, 5)

• {-1, 3}

The standard form of a quadratic equation is

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

What is the DOMAIN of the graph?

• All real numbers

• [0, ∞)

• y ≥ 0

• (-∞, ∞)

What is the RANGE of the graph?

• All real numbers

• [0, ∞)

• y ≥ 0

• (-∞, ∞)

When a parabola opens upward the vertex is

• a minimum

• a maximum

• a vertex

• a parabola

When a parabola opens downward the vertex is

• a minimum
• a maximum
• a vertex
• a parabola