0
1.
is tangent to circle A at B and to circle D at C. What is AD to the nearest tenth?
24.0
24.3
24.5
25.6
Grade:
0
User Responses:
Question was not attempted
Correct Answer:
24.0
Feedback:
2.
Pentagon RSTUV is circumscribed about a circle. What is the value of x if RS = 8, ST = 12, TU = 15, UV = 9, and VR = 12?
10
7
14
1
Grade:
1
User Responses:
7
Correct Answer:
7
Feedback:
3.
is tangent to circle A at B and to circle D at C. What is AD to the nearest tenth?
19.2
25.5
20.2
21.5
Grade:
0
User Responses:
20.2
Correct Answer:
19.2
Feedback:
4.
A chain fits tightly around two gears as shown. What is the radius of the smaller gear? Round your answer to the nearest tenth.
17.2 in.
6.2 in.
11.0 in.
4.8 in.
Grade:
0
User Responses:
6.2 in.
Correct Answer:
4.8 in.
Feedback:
5.
A chain fits tightly around two gears as shown. What is the radius of the smaller gear? Round your answer to the nearest tenth.
12.0 in.
6.4 in.
1.6 in.
9.6 in.
Grade:
0
User Responses:
12.0 in.
Correct Answer:
1.6 in.
Feedback:
6.
Which is an equation of a circle with center (2, -10) and radius 3?
(x - 2)2 + (y + 10)2 = 9
(x - 2)2 + (y + 10)2 = 3
(x + 2)2 + (y - 10)2 = 3
(x + 10)2 + (y - 2)2 = 9
Grade:
0
User Responses:
(x + 2)2 + (y - 10)2 = 3
Correct Answer:
(x - 2)2 + (y + 10)2 = 9
Feedback:
7.
What is the standard form of the equation of the circle in the graph?
x2 + (y - 4)2 = 16
x2 + (y + 4)2 = 16
x2 + (y - 4)2 = 4
x2 + (y + 4)2 = 4
Grade:
0
User Responses:
x2 + (y - 4)2 = 4
Correct Answer:
x2 + (y + 4)2 = 4
Feedback:
8.
What is the equation of a circle with diameter that has endpoints A(0, 0) and B(8, 6)?
(x - 3)2 + (y - 4)2 = 25
(x - 4)2 + (y - 3)2 = 5
(x - 4)2 + (y - 3)2 = 25
(x - 3)2 + (y - 4)2 = 5
Grade:
1
User Responses:
(x - 4)2 + (y - 3)2 = 25
Correct Answer:
(x - 4)2 + (y - 3)2 = 25
Feedback:
9.
What is the circumference of the circle whose equation is (x - 9)2 + (y - 3)2 = 64?
64π
8π
16π
4π
Grade:
1
User Responses:
16π
Correct Answer:
16π
Feedback:
10.
What is the area of the circle whose equation is (x - 9)2 + (y - 3)2 = 64?
16π
8π
4π
64π
Grade:
1
User Responses:
64π
Correct Answer:
64π
Feedback:
11.
What is the value of x to the nearest tenth?
9.2
12.0
7.2
4.8
Grade:
1
User Responses:
7.2
Correct Answer:
7.2
Feedback:
12.
What is the value of x to the nearest tenth?
20.8
12.8
8.0
9.6
Grade:
0
User Responses:
12.8
Correct Answer:
9.6
Feedback:
13.
Point P is the center of two concentric circles. PQ = 10.5 and PS = 20.9. is tangent to the smaller circle and a chord of the larger circle. What is length of to the nearest tenth?
36.1
41.4
41.8
31.4
Grade:
0
User Responses:
31.4
Correct Answer:
36.1
Feedback:
14.
What is the value of x to the nearest tenth?
14.1
10.5
23.5
4.8
Grade:
1
User Responses:
10.5
Correct Answer:
10.5
Feedback:
15.
What is the value of x to the nearest tenth?
3.1
4.8
3.5
5.4
Grade:
0
User Responses:
4.8
Correct Answer:
5.4
Feedback:
16.
What is ?
119
19
78
42
Grade:
1
User Responses:
119
Correct Answer:
119
Feedback:
17.
What is the value of x?
82
68
54
56
Grade:
0
User Responses:
68
Correct Answer:
54
Feedback:
18.
What is the value of d to the nearest tenth?
11.2
16.7
17.5
13.8
Grade:
1
User Responses:
13.8
Correct Answer:
13.8
Feedback:
19.
What is the value of d to the nearest tenth?
14.3
26.5
33.8
29.3
Grade:
0
User Responses:
14.3
Correct Answer:
26.5
Feedback:
20.
What is the length of ?
8.5
6.5
12.3
9.8
Grade:
0
User Responses:
6.5
Correct Answer:
8.5
Feedback:
21.
What is the value of a + b?
110
135
145
125
Grade:
1
User Responses:
125
Correct Answer:
125
Feedback:
22.
What is the value of d?
50
80
100
84
Grade:
1
User Responses:
80
Correct Answer:
80
Feedback:
23.
What is ?
102
85
34
98
Grade:
0
User Responses:
102
Correct Answer:
34
Feedback:
24.
What is the measure of ?
36
21
51
30
Grade:
1
User Responses:
30
Correct Answer:
30
Feedback:
25.
What is the value of a + b? You may assume that the ray is tangent to the circle.
90
128
64
180
Grade:
0
User Responses:
128
Correct Answer:
90
Feedback:
1.
What is the value of a + b? You may assume that the ray is tangent to the circle.
180
90
128
64
Grade:
0
User Responses:
128
Correct Answer:
90
Feedback:
2.
What is the value of d?
84
80
50
100
Grade:
1
User Responses:
80
Correct Answer:
80
Feedback:
3.
What is the measure of ?
85
56
68
51
Grade:
0
User Responses:
51
Correct Answer:
68
Feedback:
4.
What is the value of b?
54
120
60
30
Grade:
0
User Responses:
120
Correct Answer:
30
Feedback:
5.
What is the value of a?
96
200
192
101
Grade:
1
User Responses:
101
Correct Answer:
101
Feedback:
6.
Pentagon RSTUV is circumscribed about a circle. What is the value of x if RS = 8, ST = 12, TU = 15, UV = 9, and VR = 12?
10
14
7
1
Grade:
0
User Responses:
10
Correct Answer:
7
Feedback:
7.
, , and are all tangent to circle O. = 13, = 7, and = 10. What is the perimeter of JKL?
60 units
30 units
40 units
46 units
Grade:
0
User Responses:
40 units
Correct Answer:
60 units
Feedback:
8.
is tangent to circle A at B and to circle D at C. What is AD to the nearest tenth?
20.2
19.2
21.5
25.5
Grade:
0
User Responses:
21.5
Correct Answer:
19.2
Feedback:
9.
is tangent to circle O at B. What is the length of the radius r? Round to the nearest tenth.
7.0
9.9
13.0
3.6
Grade:
1
User Responses:
7.0
Correct Answer:
7.0
Feedback:
10.
A chain fits tightly around two gears as shown. What is the radius of the smaller gear? Round your answer to the nearest tenth.
11.0 in.
17.2 in.
4.8 in.
6.2 in.
Grade:
1
User Responses:
4.8 in.
Correct Answer:
4.8 in.
Feedback:
11.
What is the center and radius of the circle with equation (x + 9)2 + (y + 5)2 = 64?
center (-9, -5); radius = 64
center (5, 9); radius = 8
center (-9, -5); radius = 8
center (9, 5); radius = 64
Grade:
0
User Responses:
center (5, 9); radius = 8
Correct Answer:
center (-9, -5); radius = 8
Feedback:
12.
Which point lies inside the circle with equation (x - 2)2 + (y + 3)2 = 4?
(0, -3)
(2, -4)
(2, 0)
(2, -5)
Grade:
0
User Responses:
(2, -5)
Correct Answer:
(2, -4)
Feedback:
13.
What is the standard form of the equation of the circle in the graph?
x2 + y2 = 9
(x + 3)2 + (y + 3)2 =3
(x + 3)2 + (y + 3)2 =9
x2 + y2 = 3
Grade:
0
User Responses:
(x + 3)2 + (y + 3)2 =9
Correct Answer:
x2 + y2 = 9
Feedback:
14.
Which is an equation of a circle with center (2, 7) and radius 4?
(x + 2)2 + (y + 7)2 = 4
(x - 2)2 + (y - 7)2 = 16
(x - 7)2 + (y - 2)2 = 16
(x - 2)2 + (y - 7)2 = 4
Grade:
1
User Responses:
(x - 2)2 + (y - 7)2 = 16
Correct Answer:
(x - 2)2 + (y - 7)2 = 16
Feedback:
15.
What is the center and radius of the circle with equation (x - 5)2 + (y + 3)2 = 16?
center (5, -3); radius = 16
center (3, -5); radius = 4
center (5, -3); radius = 4
center (-5, 3); radius = 16
Grade:
0
User Responses:
center (-5, 3); radius = 16
Correct Answer:
center (5, -3); radius = 4
Feedback:
16.
What is the length of ?
10
4
7
11
Grade:
1
User Responses:
10
Correct Answer:
10
Feedback:
17.
What is ?
110
120
60
70
Grade:
1
User Responses:
60
Correct Answer:
60
Feedback:
18.
What is the value of d to the nearest tenth?
14.3
26.5
29.3
33.8
Grade:
0
User Responses:
29.3
Correct Answer:
26.5
Feedback:
19.
What is ?
154
112
168
126
Grade:
1
User Responses:
112
Correct Answer:
112
Feedback:
20.
What is the value of d to the nearest tenth?
17.5
16.7
11.2
13.8
Grade:
0
User Responses:
11.2
Correct Answer:
13.8
Feedback:
21.
Point P is the center of two concentric circles. PQ = 4.2 and PS = 8.2. is tangent to the smaller circle and a chord of the larger circle. What is length of to the nearest tenth?
16.4
12.2
8.1
14.1
Grade:
0
User Responses:
16.4
Correct Answer:
14.1
Feedback:
22.
What is the value of y?
4
10
2
5
Grade:
0
User Responses:
10
Correct Answer:
4
Feedback:
23.
What is the value of x to the nearest tenth?
26.8
13.4
30.0
6.0
Grade:
0
User Responses:
6.0
Correct Answer:
26.8
Feedback:
24.
What is the value of q?
4.4
8.25
16.5
8.8
Grade:
0
User Responses:
8.25
Correct Answer:
16.5
Feedback:
25.
Circle A and circle B are congruent. is a chord of both circles. If AB = 24 in. and the radius is 13 in., how long is ?
12 in.
26 in.
9 in.
10 in.
Grade:
0
User Responses:
9 in.
Correct Answer:
10 in.
Feedback:
1.
is tangent to circle A at B and to circle D at C. What is AD to the nearest tenth?
24.0
24.3
24.5
25.6
Grade:
0
User Responses:
Question was not attempted
Correct Answer:
24.0
Feedback:
2.
Pentagon RSTUV is circumscribed about a circle. What is the value of x if RS = 8, ST = 12, TU = 15, UV = 9, and VR = 12?
10
7
14
1
Grade:
1
User Responses:
7
Correct Answer:
7
Feedback:
3.
is tangent to circle A at B and to circle D at C. What is AD to the nearest tenth?
19.2
25.5
20.2
21.5
Grade:
0
User Responses:
20.2
Correct Answer:
19.2
Feedback:
4.
A chain fits tightly around two gears as shown. What is the radius of the smaller gear? Round your answer to the nearest tenth.
17.2 in.
6.2 in.
11.0 in.
4.8 in.
Grade:
0
User Responses:
6.2 in.
Correct Answer:
4.8 in.
Feedback:
5.
A chain fits tightly around two gears as shown. What is the radius of the smaller gear? Round your answer to the nearest tenth.
12.0 in.
6.4 in.
1.6 in.
9.6 in.
Grade:
0
User Responses:
12.0 in.
Correct Answer:
1.6 in.
Feedback:
6.
Which is an equation of a circle with center (2, -10) and radius 3?
(x - 2)2 + (y + 10)2 = 9
(x - 2)2 + (y + 10)2 = 3
(x + 2)2 + (y - 10)2 = 3
(x + 10)2 + (y - 2)2 = 9
Grade:
0
User Responses:
(x + 2)2 + (y - 10)2 = 3
Correct Answer:
(x - 2)2 + (y + 10)2 = 9
Feedback:
7.
What is the standard form of the equation of the circle in the graph?
x2 + (y - 4)2 = 16
x2 + (y + 4)2 = 16
x2 + (y - 4)2 = 4
x2 + (y + 4)2 = 4
Grade:
0
User Responses:
x2 + (y - 4)2 = 4
Correct Answer:
x2 + (y + 4)2 = 4
Feedback:
8.
What is the equation of a circle with diameter that has endpoints A(0, 0) and B(8, 6)?
(x - 3)2 + (y - 4)2 = 25
(x - 4)2 + (y - 3)2 = 5
(x - 4)2 + (y - 3)2 = 25
(x - 3)2 + (y - 4)2 = 5
Grade:
1
User Responses:
(x - 4)2 + (y - 3)2 = 25
Correct Answer:
(x - 4)2 + (y - 3)2 = 25
Feedback:
9.
What is the circumference of the circle whose equation is (x - 9)2 + (y - 3)2 = 64?
64π
8π
16π
4π
Grade:
1
User Responses:
16π
Correct Answer:
16π
Feedback:
10.
What is the area of the circle whose equation is (x - 9)2 + (y - 3)2 = 64?
16π
8π
4π
64π
Grade:
1
User Responses:
64π
Correct Answer:
64π
Feedback:
11.
What is the value of x to the nearest tenth?
9.2
12.0
7.2
4.8
Grade:
1
User Responses:
7.2
Correct Answer:
7.2
Feedback:
12.
What is the value of x to the nearest tenth?
20.8
12.8
8.0
9.6
Grade:
0
User Responses:
12.8
Correct Answer:
9.6
Feedback:
13.
Point P is the center of two concentric circles. PQ = 10.5 and PS = 20.9. is tangent to the smaller circle and a chord of the larger circle. What is length of to the nearest tenth?
36.1
41.4
41.8
31.4
Grade:
0
User Responses:
31.4
Correct Answer:
36.1
Feedback:
14.
What is the value of x to the nearest tenth?
14.1
10.5
23.5
4.8
Grade:
1
User Responses:
10.5
Correct Answer:
10.5
Feedback:
15.
What is the value of x to the nearest tenth?
3.1
4.8
3.5
5.4
Grade:
0
User Responses:
4.8
Correct Answer:
5.4
Feedback:
16.
What is ?
119
19
78
42
Grade:
1
User Responses:
119
Correct Answer:
119
Feedback:
17.
What is the value of x?
82
68
54
56
Grade:
0
User Responses:
68
Correct Answer:
54
Feedback:
18.
What is the value of d to the nearest tenth?
11.2
16.7
17.5
13.8
Grade:
1
User Responses:
13.8
Correct Answer:
13.8
Feedback:
19.
What is the value of d to the nearest tenth?
14.3
26.5
33.8
29.3
Grade:
0
User Responses:
14.3
Correct Answer:
26.5
Feedback:
20.
What is the length of ?
8.5
6.5
12.3
9.8
Grade:
0
User Responses:
6.5
Correct Answer:
8.5
Feedback:
21.
What is the value of a + b?
110
135
145
125
Grade:
1
User Responses:
125
Correct Answer:
125
Feedback:
22.
What is the value of d?
50
80
100
84
Grade:
1
User Responses:
80
Correct Answer:
80
Feedback:
23.
What is ?
102
85
34
98
Grade:
0
User Responses:
102
Correct Answer:
34
Feedback:
24.
What is the measure of ?
36
21
51
30
Grade:
1
User Responses:
30
Correct Answer:
30
Feedback:
25.
What is the value of a + b? You may assume that the ray is tangent to the circle.
90
128
64
180
Grade:
0
User Responses:
128
Correct Answer:
90
Feedback:
1.
is tangent to circle A at B and to circle D at C. What is AD to the nearest tenth?
24.0
24.3
24.5
25.6
Grade:
0
User Responses:
Question was not attempted
Correct Answer:
24.0
Feedback:
2.
Pentagon RSTUV is circumscribed about a circle. What is the value of x if RS = 8, ST = 12, TU = 15, UV = 9, and VR = 12?
10
7
14
1
Grade:
1
User Responses:
7
Correct Answer:
7
Feedback:
3.
is tangent to circle A at B and to circle D at C. What is AD to the nearest tenth?
19.2
25.5
20.2
21.5
Grade:
0
User Responses:
20.2
Correct Answer:
19.2
Feedback:
4.
A chain fits tightly around two gears as shown. What is the radius of the smaller gear? Round your answer to the nearest tenth.
17.2 in.
6.2 in.
11.0 in.
4.8 in.
Grade:
0
User Responses:
6.2 in.
Correct Answer:
4.8 in.
Feedback:
5.
A chain fits tightly around two gears as shown. What is the radius of the smaller gear? Round your answer to the nearest tenth.
12.0 in.
6.4 in.
1.6 in.
9.6 in.
Grade:
0
User Responses:
12.0 in.
Correct Answer:
1.6 in.
Feedback:
6.
Which is an equation of a circle with center (2, -10) and radius 3?
(x - 2)2 + (y + 10)2 = 9
(x - 2)2 + (y + 10)2 = 3
(x + 2)2 + (y - 10)2 = 3
(x + 10)2 + (y - 2)2 = 9
Grade:
0
User Responses:
(x + 2)2 + (y - 10)2 = 3
Correct Answer:
(x - 2)2 + (y + 10)2 = 9
Feedback:
7.
What is the standard form of the equation of the circle in the graph?
x2 + (y - 4)2 = 16
x2 + (y + 4)2 = 16
x2 + (y - 4)2 = 4
x2 + (y + 4)2 = 4
Grade:
0
User Responses:
x2 + (y - 4)2 = 4
Correct Answer:
x2 + (y + 4)2 = 4
Feedback:
8.
What is the equation of a circle with diameter that has endpoints A(0, 0) and B(8, 6)?
(x - 3)2 + (y - 4)2 = 25
(x - 4)2 + (y - 3)2 = 5
(x - 4)2 + (y - 3)2 = 25
(x - 3)2 + (y - 4)2 = 5
Grade:
1
User Responses:
(x - 4)2 + (y - 3)2 = 25
Correct Answer:
(x - 4)2 + (y - 3)2 = 25
Feedback:
9.
What is the circumference of the circle whose equation is (x - 9)2 + (y - 3)2 = 64?
64π
8π
16π
4π
Grade:
1
User Responses:
16π
Correct Answer:
16π
Feedback:
10.
What is the area of the circle whose equation is (x - 9)2 + (y - 3)2 = 64?
16π
8π
4π
64π
Grade:
1
User Responses:
64π
Correct Answer:
64π
Feedback:
11.
What is the value of x to the nearest tenth?
9.2
12.0
7.2
4.8
Grade:
1
User Responses:
7.2
Correct Answer:
7.2
Feedback:
12.
What is the value of x to the nearest tenth?
20.8
12.8
8.0
9.6
Grade:
0
User Responses:
12.8
Correct Answer:
9.6
Feedback:
13.
Point P is the center of two concentric circles. PQ = 10.5 and PS = 20.9. is tangent to the smaller circle and a chord of the larger circle. What is length of to the nearest tenth?
36.1
41.4
41.8
31.4
Grade:
0
User Responses:
31.4
Correct Answer:
36.1
Feedback:
14.
What is the value of x to the nearest tenth?
14.1
10.5
23.5
4.8
Grade:
1
User Responses:
10.5
Correct Answer:
10.5
Feedback:
15.
What is the value of x to the nearest tenth?
3.1
4.8
3.5
5.4
Grade:
0
User Responses:
4.8
Correct Answer:
5.4
Feedback:
16.
What is ?
119
19
78
42
Grade:
1
User Responses:
119
Correct Answer:
119
Feedback:
17.
What is the value of x?
82
68
54
56
Grade:
0
User Responses:
68
Correct Answer:
54
Feedback:
18.
What is the value of d to the nearest tenth?
11.2
16.7
17.5
13.8
Grade:
1
User Responses:
13.8
Correct Answer:
13.8
Feedback:
19.
What is the value of d to the nearest tenth?
14.3
26.5
33.8
29.3
Grade:
0
User Responses:
14.3
Correct Answer:
26.5
Feedback:
20.
What is the length of ?
8.5
6.5
12.3
9.8
Grade:
0
User Responses:
6.5
Correct Answer:
8.5
Feedback:
21.
What is the value of a + b?
110
135
145
125
Grade:
1
User Responses:
125
Correct Answer:
125
Feedback:
22.
What is the value of d?
50
80
100
84
Grade:
1
User Responses:
80
Correct Answer:
80
Feedback:
23.
What is ?
102
85
34
98
Grade:
0
User Responses:
102
Correct Answer:
34
Feedback:
24.
What is the measure of ?
36
21
51
30
Grade:
1
User Responses:
30
Correct Answer:
30
Feedback:
25.
What is the value of a + b? You may assume that the ray is tangent to the circle.
90
128
64
180
Grade:
0
User Responses:
128
Correct Answer:
90
Feedback:
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