Standard Form, Vertex Form, and Intercept Form of Quadratics

Find the Vertex: y= -5x² -20x - 26

• (-2, -6)

• (2, 6)

• (6,2)

• (3, 6)

The vertex of parabola y = - 2x² - 4x + 1 is

• (1, 3)

• (- 1, 3)

• (- 1, -5)

• (- 1, 5)

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2

• x = 3

• x = -3

• y = 2

Which formula allows you to find the x-value of the vertex from a standard form equation?

The axis of symmetry for a vertical parabola always matches...

• the y-intercept

• the y-value of the vertex

• the x-value of the vertex

• the x-intercepts

Find the vertex, AOS, and y-intercept for the following equation.

What is the vertex?

• (-2,0)

• (0,0)

• (0,-4)

• (2,0)

What is the equation of the line of symmetry for this quadratic function?

• x = -3

• x= .5

• x = 4

• x = -12

What is the vertex of this parabola?

• (-2, -9)

• (-3, -4)

• (2, -9)

• (3, -4)

What is one key feature you can see by looking at this equation?

• zeros are (4, 0) and (-2, 0)

• y-intercept is (0, 2)

• vertex is (-4, 2)