Conic Sections: Parabolas (8.1)

Select all that apply: The focus of a parabola is ...

• p units from the vertex

• lies inside the parabola

• lies outside of the parabola

• is 4p units from the vertex

Select all that apply: The directrix is...

• a point

• a line

• parallel to the axis of symmetry

• perpendicular to the axis of symmetry

• intersects the parabola

True of False: All parabolas with a vertical directrix open to the left or right.

• true

• false

True or False?

When the x is squared, the parabola opens up or down.

• True

• False

Tags

CCSS.HSF-IF.C.7A

What direction does the parabola point?

• Up 
• Down
• Left 
• Right

• y=3

• y=0

• x=0

• x=3

What is the directrix of this parabola?

• x = -3

• y = -3

• x = 3

• y = 3