Quadratic Features and Equations

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• y intercept

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

Identify the 'a' value of the quadratic equation: y = 16x² - 8x - 24

• 16

• 8

• -8

Which value is the vertex?

• (-4, 0)

• (-1, -9)

• (0, -8)

• (2, 0)

What is the equation for the axis of symmetry?

• x = 2

• x = 6

• x = 3

• x = 0

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• symmetrical point for the vertex

Standard form of a quadratic equation

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

Which of the following are all the different ways to name the solutions to a quadratic equation? (Choose all that apply)

• Vertex

• Root

• Zero

• Quartic

• x - intercept

Determine the domain and range of the function

• Domain: All real numbers

  Range: All real numbers

• Domain: x ≥ -4

  Range: All real numbers

• Domain: All real numbers

  Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5

  Range: y ≥ -4

Does y = -4x² have a maximum or minimum value?

• maximum

• minimum