Parts of a parabola

Name the vertex

• (1,1)

• (0,0)

Tags

CCSS.HSF-IF.C.7A

What is the name given to the dotted line?

• A) y-intercept

• B) axis of symmetry

• C) vertex

• D) root

Tags

CCSS.HSF-IF.C.7A

Does the graph represent a min/max/both/neither?

• A) Minimum

• B) Maximum

• C) Both

• D) Neither

Tags

CCSS.HSF-IF.C.7A

How many roots does the function have?

• A 0

• B) 1

• C) 2

• D) ∞

Tags

CCSS.HSF-IF.C.7A

Which expression is equivalent to x²+4x+3?

• (x+4) (x+1)

• (x+3)(x+4)

• (x+3)(x+1)

• (x-3)(x-1)

The vertex is sometimes halfway between the focus and directrix.

• true
• false

Tags

CCSS.HSG.GPE.A.2

A parabola is the set of all points equidistant from the focus and the directrix.

• true
• false

Tags

CCSS.HSG.GPE.A.2

Find the vertex, focus, and directrix of the parabola: x² = 28y

• Vertex: (0, 0) Focus: (0,7) Directrix: y=-7
• Vertex: (0, 0) Focus: (7,0) Directrix: y=7
• Vertex: (0, 0) Focus: (0,-7) Directrix: x=-7
• Vertex: (0, 0) Focus: (7, 0) Directrix: x=7

Tags

CCSS.HSG.GPE.A.2

Find the vertex, focus, and directrix of the parabola: -(1/40)x² = y

• Vertex: (0, 0) Focus: (-20,0) Directrix: x = 10
• Vertex: (0, 0) Focus: (0,10) Directrix: y=10
• Vertex: (0, 0) Focus: (0,10) Directrix: y=-10
• Vertex: (0, 0) Focus: (0, -10) Directrix: y = 10

Tags

CCSS.HSG.GPE.A.2

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)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7