8-3: Vertex, Axis of Symmetry, Max, Min

Find the vertex.
y = 2x² - 8x + 9

• (1,2)
• (2, 33)
• (2,1)
• (33, -2)

Find the vertex.
y = -x² -10x + 3

• (5,-72)
• (28,-5)
• (-5, 78)
• (-5, 28)

What is the axis of symmetry?

• x = - 4
• x = - 2
• x = 0
• x = 4

Tags

CCSS.HSF-IF.C.7A

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 the quadratic      y = - x² - 2x + 3  have a max/min vertex, and does the parabola open up/down?

• max/ opens down
• min/ opens up
• max/ opens up
• min/ opens down

Tags

CCSS.HSF-IF.C.7A

Find the axis of symmetry for the graph

• x = -1
• x = 1
• x = 3
• x = -1 , 3

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.HSF-IF.C.7A

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

• y = -2
• x = 3
• x = -3
• y = 2

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSF-IF.C.7A

Give the domain and range for the graph shown.

• D: all real numbers
  R: yundefined  -4

• D: -2undefined  xundefined  4
  R: yundefined  -4

• D: -2undefined  xundefined  4
  R: yundefined  -4