Features of Parabolas

• A
  9

• B
  4

• C
  -1

• D
  -3

5x² - 4x - 3

• min

• max

• both

• undefined

• A
  9 ≤ y ≤ ∞
• B
  -∞ < y < 2
• C
  -∞ < y ≤ 2
• D
  -∞ < y ≤ 9

• A
  -∞ < y ≤ -1
• B
  -1 ≤ y < ∞
• C
  2 ≤ y < ∞
• D
  -∞ < y ≤ 2

• A
  -2x² + 12x - 4
• B
  -2x² - 12x + 4
• C
  2x² - 12x + 4
• D
  2x² - 12x - 4

What is the axis of symmetry?
-2x² + 12x - 6

• 
  x = 3

• 
  x = -6

• 
  x = 6

• 
  x = 2

Which best describes the vertex of a parabola?

• Any point on the parabola.

• A point on the x-axis.

• The highest or lowest point of a parabola

• A point on the y-axis.

Does the quadratic have a max/min vertex, and does the parabola open up/down?

• max/ opens down

• min/ opens up

• max/ opens up

• min/ opens down

Does this graph have a maximum or minimum?

• Minimum

• Maximum

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both