Key Features of Quadratics

 What is the vertex of $y=x^2-16x+24$ ?

• (2, -4)

• (8, -40)

• (8, -64)

• (16, 24)

What is vertex of the quadratic function x²+4x-21?

• (4, -21)

• (-2,-25)

• (2, -21)

• (4, -25)

Find the Vertex:

y = x² + 6x + 2

• (-3,-7)

• (1,6)

• (6,2)

• No Real Solution

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

The parabola y = x² - 2x + 4 will have a vertex of

• (-1, 2)

• (1, 2)

• (-1, 3)

• (1, 3)

The parabola y = x² - 2x + 4

• will have a minimum vertex.

• will have a maximum vertex.

The parabola y = - 2x² - 4x + 1 will have an axis of symmetry of

• x = - 1

• x = 1

• x = 4

• x = - 4

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

• (1, 3)

• (- 1, 3)

• (- 1, -5)

• (- 1, 5)

The parabola y = x² - 2 will have a vertex of

• (0, 2)

• (0, -2)

• (2, 0)

• (-2, 0)

What are the x-intercepts? Check all that apply.

• -1

• -7

• 1

• 7

• -4