Circles and Conic Sections

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

• Focus: (0,7) Directrix: y= -7

• Focus: (7,0) Directrix: y=7

• Focus: (0,-7) Directrix: x= -7

• Focus: (7, 0) Directrix: x=7

Write an equation for a parabola with the given focus F and vertex V:

F(2, 5) V(-1, 5)

What is the vertex of the parabola?

• (-3, -1)

• (3, 1)

• (1, 3)

• (-1, -3)

What is the equation for the parabola shown in the image?

Determine the equation of the directrix and the type of conic.

• x = -6 , ellipse

• x = 3 , parabola

• x = -6 , hyperbola

• x = -3 , hyperbola

Strategy to find the area of the shaded purple segment...

• get the area of the circle and subtract out the sector

• get the area of the sector and subtract out the triangle

• get the area of the triangle and subtract the segment

• press skip and simply move on...

Tags

CCSS.HSG.C.B.5

Find the area of the sector.
Round your answer to the nearest tenth.

Tags

CCSS.HSG.C.B.5

Find the area of the shaded sector

• 173.42 cm²

• 212.06 cm²

• 237.50 cm²

• not enough information

Tags

CCSS.HSG.C.B.5

A cathedral window is built in the shape of a semicircle. If the window is to contain three stained glass sections of equal size, what is the area of each stained glass section?  Express answer to the nearest square foot.

• 1 sq. ft

• 13 sq. ft

• 3 sq. ft

• 26 sq. ft

Tags

CCSS.HSG.C.B.5

FIND THE SECTOR AREA OUTLINED IN BOLD

• A

• B

• C

• D

Tags

CCSS.HSG.C.B.5