Parabola Mini Test review

The focus is always inside the parabola.

• true
• false

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

• true
• false

All parabolas with a vertical directrix open the left or right.

• true
• false

Tags

CCSS.HSF-IF.C.7A

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

• True
• False

Tags

CCSS.HSF-IF.C.7A

(y-4)² = -8(x+1)
What direction does this parabola open?

• up
• down
• left
• right

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.HSF-IF.C.7A

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

• x = 4
• x = 2
• y = -4
• y = -6

The focus is at (2,0) and the vertex is at (-4,0).  What is the equation of the parabola?

• y² = 24(x+4)
• (y+4)² = -12x
• x² = 16(y+4)
• (x+4)²  = -20y

What is the equation of this parabola?

• x² = -3y

• y² = 12x

• x² = -12y

• y² = 3x

What is the equation of this parabola?

• x² = 4y

• y² = x

• x² = -y

• y² = -16x