Focus and Directrix: Vertex (0,0)

The focus is always inside the parabola.

• true
• false

Tags

CCSS.HSF-IF.C.7A

The 'p' value represents the distance between the vertex and the focus AND the vertex and the directrix.

• True
• False

Tags

CCSS.HSF-IF.C.7A

If a parabola has a focus at (0,3) and a vertex at the origin...what is the equation of the directrix?

• y=3

• y=-3

• x=3

• x=-3

Tags

CCSS.HSG.GPE.A.2

If a parabola has a focus at (0,-3) and a vertex at the origin...what is the equation of the directrix?

• y=3

• y=-3

• x=3

• x=-3

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

True or False?
When the x-part is squared, the parabola opens up or down.

• True
• False

Tags

CCSS.HSF-IF.C.7A