Parabola Features

What is the vertex of this quadratic equation?

y = 2(x - 2)² + 5

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the name of this form:
y = a(x - h)² + k

• vertex form
• standard form
• factored form
• zero form

A horizontal parabola has a vertex at (-3,2).

Where is the axis of symmetry?

• y = -2

• x = 3

• x = -3

• y = 2

The focus is always inside the parabola.

• true
• false

Tags

CCSS.HSF-IF.C.7A

(y-4)² = -8(x+1)
What are the coordinates for the focus?

• (1,4)
• (-1,6)
• (-1,2)
• (-3,4)

Tags

CCSS.HSG.GPE.A.2

(x+3)² = 4(y+5)
What is the equation of the directrix?

• x = 4
• x = 2
• y = -4
• y = -6

Tags

CCSS.HSG.GPE.A.2

The vertex is halfway between the focus and directrix.

• true
• false

Which parabola has a vertex at

 $(-3,0)$  ?

•  $(y+3)^2=8x$  

•  $(x+3)^2=8y$  

•  $(x-3)^2=8y$  

•  $(y-3)^2=8x$  

Which of the following does not belong?

• Zeros

• Roots

• x-intercepts

• solutions

• y-intercepts

Tags

CCSS.HSF-IF.C.7C

What is the axisof symmetry of the above graph?

• x = 3

• 3

• y = -1

• -1

Tags

CCSS.HSF-IF.C.7A