Free Printable Unit 8 Quiz 1 Review

1.

Write the equation of a circle with center (7, 0) with radius 3.

a)

(x - 7)² + y² = 9

b)

x² + (y -7)² = 9

c)

(x - 7)² + y² = 3

d)

x² + (y -7)² = 3

2.

In the equation (x+2)²+(y-3)²=4, the radius of the circle is...

a)

4

b)

2

c)

3

d)

16

3.

In the equation (x-3)²+(y-2)²=16, the center of the circle is...

a)

(3,2)

b)

(-3, -2)

c)

(-2, -3)

d)

(2, 3)

4.

What is the equation for this circle?

a)

(x+1)+(y+1)=9

b)

x²+y²=9

c)

x+y=9

5.

What is the diameter?

a)

8

b)

16

c)

10

d)

4

6.

What is the radius?

a)

18

b)

72

c)

38

d)

14

7.

what is the standard equation of the circle with center at (1, 2) and a point on the circle at (-5, 2).

a)

(x - 1)² + (y -2)² = 36

b)

(x + 1)² + (y + 2)² = 36

c)

(x + 1)² + (y + 2)² = 25

d)

(x - 1)² + (y -2)² = 25

8.

Is the red line a radius or diameter of the circle?

a)

Radius

b)

Diameter

9.

Is the red line a radius or diameter of the circle?

a)

Radius

b)

Diameter

10.

Lines AO and BO are tangent. What is the measure of BO?

a)

20

b)

15

c)

10

d)

5

11.

In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?" (the length of the hypotenuse)

a)

15

b)

6

c)

-24

d)

14

12.

a)

A point of tangency

b)

A tangent

c)

A center

d)

Outside of circle C

13.

a)

secant

b)

chord

c)

tangent line

d)

diameter

14.

a)

A chord

b)

A secant

c)

A sector

d)

A tangent

15.

How many degrees are in a cirlce?

a)

90

b)

180

c)

270

d)

360

16.

The line segment between the center and a point on the circle

a)

Radius

b)

Diamter

c)

Chord

d)

Tangnet

17.

Name a Tangent

a)

Segment AG

b)

Line AG

c)

Line DE

d)

Segment

18.

Name a Secant.

a)

DE

b)

EA

c)

CB

d)

AB

19.

Name a Diameter.

a)

DE

b)

GA

c)

CB

d)

AB

20.

What is AC called?

a)

Radius

b)

Secant

c)

Tangent

d)

Diameter

21.

Name a chord.

a)

Segment XC

b)

Segment KM

c)

Segment FG

d)

LINE BD

22.

What is the value of x?

a)

22

b)

25

c)

15

d)

20

23.

Find the length of BC.

a)

2

b)

3

c)

9

d)

14

24.

What is the value of DC? (to the nearest hundredth)

a)

9.43

b)

4.43

c)

√89

d)

9

25.

How many common tangents?

a)

0

b)

1

c)

2

d)

3

e)

4

26.

How many common tangents?

a)

0

b)

1

c)

2

d)

3

e)

4

27.

How many common tangents?

a)

0

b)

1

c)

2

d)

3

e)

4

28.

How many common tangents?

a)

0

b)

1

c)

2

d)

3

e)

4

29.

What is the measure of angle 1?

a)

120

b)

40

c)

30

d)

60

30.

Find the measure of <XTY

a)

65

b)

98

c)

70

d)

52

31.

Find the measure of arc JH

a)

93

b)

130

c)

120

d)

95

32.

What is the measure of arc AB?

a)

140

b)

142

c)

180

d)

153

33.

What is the measure of arc WYZ?

a)

231

b)

255

c)

168

d)

200

34.

a)

x = 160

b)

x = 40

c)

x = 80

d)

x = 360

35.

What is the measure of ∠PTQ?

a)

100°

b)

140°

c)

180°

d)

120°

36.

$ABCD$ is an inscribed quadrilateral in the circle centered at point $O.$ Select ALL true statements.

THERE IS MORE THAN ONE ANSWER!

a)

$z=2y$

b)

$y=50\degree$

c)

$x=100\degree$

d)

$x+z=180\degree$

e)

$x+2y+z+80\degree=360\degree$

37.

The figure shows a circle with center $O$ , diameter $\overline{AC}$ , and inscribed $\Delta ACB$ . If $m\angle ABC=90\degree$ , $m\angle C=5x-2$ and $m\angle A=2x+8$ , what is the $m\angle BAC$ and $m\angle BCA$ ?

a)

$m\angle BAC=12\degree\ and\ m\angle BCA=78\degree$

b)

$m\angle BAC=45\degree\ and\ m\angle BCA=45\degree$

c)

$m\angle BAC=32\degree\ and\ m\angle BCA=58\degree$

d)

$m\angle BAC=30\degree\ and\ m\angle BCA=60\degree$

38.

Find the measure of arc AB.

a)

17 degrees

b)

34 degrees

c)

68 degrees

d)

146 degrees

39.

Solve for x

a)

51 degrees

b)

61 degrees

c)

102 degrees

d)

204 degrees

40.

Find m∠PRQ.

a)

39°

b)

90°

c)

51°

d)

15°

41.

Find a and b.

a)

a=74 degrees
b=93 degrees

b)

a=93 degrees
b=74 degrees

c)

a=87 degrees
b=106 degrees

d)

a=106 degrees
b=87 degrees

42.

Find the measure of the indicated angle.

a)

42 ⁰

b)

51⁰

c)

36⁰

d)

45⁰

43.

Find x. Assume that segments that appear to be tangent are tangent.

a)

2

b)

11

c)

7.6

d)

9

44.

Find the value of x

a)

100

b)

105

c)

95

d)

90

45.

What is the measure of angle A?

a)

34°

b)

180°

c)

112°

d)

79°

46.

Solve for x.

a)

14

b)

10

c)

11

d)

2

47.

Solve for Y.

a)

103

b)

95

c)

93

d)

105

48.

a)

A

b)

B

c)

C

d)

D

49.

a)

A

b)

B

c)

C

d)

D

50.

a)

A

b)

B

c)

C

d)

D

Unit 8 Quiz 1 Review

Total questions: 50

Worksheet time: 3hrs 52mins

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