Math 3 Unit 2 & 3 Review Test

 $(x+3)^2\ +\ \ (y\ –\ 5)^2=16$  Has what center and radius?

• Center at (3,-5) and radius of 16

• Center at (-3,5) and radius of 16

• Center at (3,-5) and radius of 4

• Center at (-3,5) and radius of 4

Tags

CCSS.HSG.GPE.A.1

Which of the following points lies on the circle with the equation

 $\left(x+4\right)^2+\left(y-1\right)^2=25$  ?

•  $\left(-4,1\right)$  

•  $\left(0,4\right)$  

•  $\left(1,6\right)$  

•  $\left(4,3\right)$  

Tags

CCSS.HSG.GPE.A.1

Write the equation of a circle with ends of a diameter at (4,-4) and (8,0).

• $\left(x-4\right)^2+\left(y+4\right)^2=64$

• $\left(x-6\right)^2+\left(y+2\right)^2=8$

• $\left(x-4\right)^2+\left(y+4\right)^2=\sqrt{8}$

• $\left(x-6\right)^2+\left(y+2\right)^2=\sqrt{8}$

Tags

CCSS.HSG.GPE.A.1

By definition, a secant is

• a line that intersects a circle at exactly one point.

• a segment that has both endpoints on the circle.

• a line that intersects a circle at exactly two points.

• a segment that passes through the center of the circle.

Tags

CCSS.HSG.CO.A.1

 $\angle TAC\$  is what type of angle?

• inscribed angle

• circumscribed angle

• central angle

• right angle

Tags

CCSS.HSG.C.A.2

What is the measure of Arc AC if

 $m\angle ABC=50\degree$  ?

•  $130\degree$  

•  $100\degree$  

•  $25\degree$  

• Not enough information to determine

Tags

CCSS.HSG.C.A.2

What is the measure of Arc AC if

 $m\angle ABC=42\degree$  

•  $318\degree$  

•  $138\degree$  

•  $84\degree$  

•  $42\degree$  

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.B.5

What is the length of Arc CD if the radius of Circle O is 24 ft?

• $192\ ft$

• $72\pi\ ft$

• $36\ ft$
  

• $6\pi\ ft$

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

What is the area of the small sector if the radius of Circle O is 24 ft?

• $72\pi\ ft^2$

• $36\pi ft^2$

• $24\pi ft^2$

• $72\ ft^2$

Tags

CCSS.HSG.C.B.5

What shape will the horizontal cross-section of a cone be?

• Dome
• Circle
• Pyramid
• Triangle

Tags

CCSS.HSG.GMD.B.4