Exit Ticket: Graphing Parabolas (with Focus & Directrix)

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Tags

CCSS.HSF-IF.C.7A

What is the maximum/minimum of a parabola called?

• vertex
• point
• top
• bottom

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSF-IF.C.7A

Which of the following is not the same as "solution"?

• x-intercept
• roots
• zeros
• y-intercept

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

What is the vertex of y= x² - 8x + 14 ?

• (2, 4)
• (-4, -2)
• (4, -2)
• (-2, 4)

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• none of these

Write an equation of the parabola with the given characteristics:

Focus: (3, 5)

Vertex: (3, -1)

• 
  

  $y\ =\ \frac{1}{24}\left(x+3\right)^2+1$
  

• $y\ =\ \frac{1}{24}\left(x-3\right)^2-1$

• $y\ =\ -\frac{1}{24}\left(x+3\right)^2-1$

• $y\ =\ -\frac{1}{24}\left(x-3\right)^2-1$