Standard Factored and Vertex Form

If the quadratic has a positive 'a' coefficient, what direction does the parabola open?

• Up

• Down

Which equations match this quadratic graph?

• y = - 4 (x - 2)² + 4

  y = - 4 (x - 1) (x - 3)

  y = - 4 x² + 16x - 12

• y = (x - 2)² - 9

  y = (x + 1) (x - 5)

  y = x² - 4x - 5

• y = (x - 5.5)² - 6.25

  y = (x - 8) (x - 3)

  y = x² - 11x + 24

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

• (5, 2); opens up

• (5, 2); opens down

• (-5, 2); opens up

• (-5, 2); opens down

Which equations match this quadratic graph?

• y = - 4 (x - 2)² + 4

  y = - 4 (x - 1) (x - 3)

  y = - 4 x² + 16x - 12

• y = (x - 2)² - 9

  y = (x + 1) (x - 5)

  y = x² - 4x - 5

• y = (x - 5.5)² - 6.25

  y = (x - 8) (x - 3)

  y = x² - 11x + 24

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Does this graph have a maximum or minimum?

• Minimum

• Maximum

What is the equation for this parabola in factored form?

• y=(x+2)(x-1)

• y=(x-2)(x+1)

• y=(x-2)(x-1)

• y=(x+2)(x+1)

If given the equation
y = 3(x + 5)² - 4,
what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• symmetrical point for the vertex

What is the equation of this graph?

• f(x) = (x -5)² + 1

• f(x) = (x - 1)² - 5

• f(x) = (x + 1)² - 5

• f(x) = (x + 5)² +1