Quadratic Functions Quiz

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

What is the vertex?

• (2, 4)

• (3, -1)

• (0, 8)

• (4, 2)

Which equation best represents the graph?

• y = 2(x - 4)² + 5

• y = 2(x + 4)² + 5

• y = -2(x - 4)² + 5

• y = -2(x + 4)² + 5

Identify the vertex and whether the graph opens up or down.

• (-1, 4); opens up

• (-1, 4); opens down

• (1, 4); opens up

• (1, 4); opens down

What is the axis of symmetry of the given function?

• y = 1

• y = -1

• x = 1

• x = -1

• The vertex is a maximum.

• The vertex is a minimum.

• The parabola opens downward.

• The parabola has no vertex.