Parabola

Quali sono le coordinate del vertice della parabola?

• (-2,4)
• (-1,1)
• (0,0)
• (2,4)

What's the vertex of the parabola?

• (-2,4)
• (-1,1)
• (0,0)
• (2,4)

Tags

CCSS.8.F.A.1

CCSS.8.F.B.5

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

• true
• false

Tags

CCSS.HSF-IF.C.7A

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 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

Tags

CCSS.HSG.GPE.A.2

Which direction does this parabola open?

• Up
• Down
• Left
• Right

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the parabola: y=2(x-3)²+4

• (3,4)
• (-3,4)
• (3, -4)
• (-3,-4)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7