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F22 Math 3 Unit 4 pt.2 Review

Total questions: 39

Worksheet time: 1hrs 10mins

Name
Class
Date
1.
Which is the correct way to solve this?
a)
x=(360-110)/2
b)
x=110/2
c)
x=(250-110)/2
d)
x=(250+110)/2
2.
Which is the correct way to solve this?
a)
70=(180+x)/2
b)
70=(180-x)/2
c)
x=(180+70)/2
d)
x=(180-70)/2
3.
Which is the correct way to solve this?
a)
x=(142-72)/2
b)
x=(142+72)/2
c)
72=(142-x)/2
d)
72=(142+x)/2
4.
Which is the correct way to solve this?
a)
x=(62-50)/2
b)
x=(62+50)/2
c)
50=(62+x)/2
d)
62=(50+x)/2
5.
Which is the correct way to solve this?
a)
210=x/2
b)
x=210/2
c)
x=150/2
d)
150=x/2
6.
Which is the correct way to solve this?
a)
x=284/2
b)
284=x/2
c)
x=76/2
d)
76=x/2
7.
Which is the correct way to solve this?
a)
8x=12
b)
12x=8
c)
8(x+8)=12
d)
8(x+8)=12(12)
8.
Which is the correct way to solve this?
a)
x(x+14)=12(33)
b)
14x=12(21)
c)
12x=14(21)
d)
21x=(12)(14)
9.
Which is the correct way to solve this?
a)
7x=6(8)
b)
7(x+7)=6(14)
c)
6x=7(8)
d)
7(14)=6(6+x)
10.

What is the value of x and y?

a)

x=75°; y=93°

b)

x=65°;y=104°

c)

x=75°; y=94°

d)

x=65°; y=93

11.
What is the size of angle x?
a)
19o
b)
76o
c)
39o
d)
38o
12.

What is the measure of angle c and d?

a)

c = 21, d = 50

b)

c = 63, d = 78

c)

c = 78, d = 63

d)

c = 10, d = 50

13.

Find the value of the angle marked x....

a)

90

b)

43

c)

47

d)

53

14.
Find the m<MLN.
a)
39°
b)
32°
c)
48°
d)
34°
15.
What is the value of x?
a)
92
b)
25
c)
12.5
d)
105
16.
Lines AO and BO are tangent. What is the measure of BO?
a)
20
b)
15
c)
10
d)
5
17.
A line that intersects a circle at two points is a ______________.
a)
tangent
b)
secant
c)
diameter
d)
chord
18.
Find the measure of angle ABD.
a)
14
b)
51
c)
37
d)
65
19.

Solve for x.

a)

29

b)

33

c)

41.5

d)

50

20.
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)
21.
In the equation (x-4)2+(y-3)2=25, the radius is
a)
4
b)
3
c)
5
d)
25
22.
In the equation (x-4)2+(x-3)2=25, the center of the circle is at...
a)
(-3, -4)
b)
(4, 3)
c)
(-4, -3)
d)
(3, 4)
23.
In the equation (x-3)2+(y+4)2=121, the radius of the circle is
a)
242
b)
11
c)
121
d)
22
24.
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
25.
What are the coordinates of the center and the radius of the circle with equation:
(x - 4)2 + (y - 3)2 = 25 ?
a)
Center (4,3)
Radius = 5 units
b)
Center (4,3)
Radius = 25 units
c)
Center (-4,-3)
Radius = 25 units
d)
Center (-4,-3)
Radius = 5 units
26.
See Picture
a)
A
b)
B
c)
C
27.
See Picture
a)
A
b)
B
c)
C
d)
D
28.
What is the equation of the circle?
a)
(x+1)2 + (y +1)2 = 3
b)
(x+1)2 + (y -1)2 = 3
c)
(x+1)2 + (y +1)2 = 9
d)
(x-1)2 + (y -1)2 = 9
29.
a)
A
b)
B
c)
C
d)
D
30.
What is the equation for this circle?
a)
(x+1)+(y+1)=9
b)
x²+y²=9
c)
x+y=9
31.
What is the radius of the circle with this equation of  (x-5)²+(y+7)²=8?
a)
4
b)
8
c)
4√2
d)
2√2
32.
The diameter of a circle has length 12. The center is at (-5, 2). Give the equation of the circle.
a)
(x - 2)2 + (y + 5)2 = 36
b)
(x - 5)2 + (y + 2)2 = 6
c)
(x + 5)2 + (y - 2)2 = 36
d)
(x + 2)2 + (y - 5)2 = 6
33.
The image provided is the equation of a(n)...
a)
circle
b)
ellipse
c)
parabola
d)
hyperbola
34.

What is the standard equation of a circle?

a)

(x-k)2 + (y-h)2 = r2

b)

(x+h)2 + (y+k)2 = r2

c)

(x-h)2 + (y-k)2 = r2

d)

(k-x)2 + (h-y)2 = r2

35.

What does (h,k) standard for in the standard circle equation?

a)

(h,k) is the center of the circle

b)

(h,k) is a point on the circle.

c)

(h,k) is a point that we guess and find

d)

(h,k) is the distance of the circle

36.

What does the r in the standard equation stand for?

a)

r is the distance of the circle

b)

r is the radius of the circle

c)

r is the x coordinate of the center of the circle

d)

r is the y coordinate of the center of the circle

37.

Which equation matches the circle on the graph?

a)

(x-2)2+(y+3)2=81

b)

(x+3)2+(y-2)2=9

c)

(x-2)2+(y+3)2=9

d)

(x+3)2+(y-2)2=3

38.

Which equation matches the circle on the graph?

a)

(x-3)2+(y-4)2=16

b)

(x-5)2+(y-2)2=20

c)

(x+3)2+(y+4)2=16

d)

(x-9)2+(y-16)2=32

39.

Which points lie on the circle represented by the equation (x+2)2 + (y+2)2 = 52

a)

(-2, -2)

b)

(6,4)

c)

(8,8)

d)

(-6, -5)

e)

(-2, -7)

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