Quadratic Functions in Standard Form

What is the vertex?

• (2, 4)

• (3, -1)

• (0, 8)

• (4, 2)

What is the vertex of this function?

• (0, -3)

• (1, -4)

• (-2, 5)

• {-1, 3}

Identify the y-intercept

• (0, -3)

• (0, 1)

• (0, 3)

• (2, 1)

Identify the y-intercept

• (-1,9)

• (0,-8)

• (-4,0)

• (0,0)

What is the formula above primarily used for?

• Finding the axis of symmetry from standard form

• Finding the vertex from standard form

• Finding the vertex from vertex form

• Finding the vertex from standard form

The graph of a quadratic function is shown on the grid. Which equations best represents the axis of symmetry?

• y = 6

• x = 2

• y = 4

• x = 0