Team 1
0
Team 2
0
Teams
Name
Score
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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×
thief
Give points!
5
10
15
20
25
×
star
Double points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
thief
Give points!
5
10
15
20
25
15
×
What is the equation of the circle graphed below?
(x - 2)<sup>2</sup> + (y + 1)<sup>2</sup> = 8
(x + 2)<sup>2</sup> + (y - 1)<sup>2</sup> = 16
(x - 2)<sup>2</sup> + (y + 1)<sup>2</sup> = 16
(x - 2)<sup>2</sup> + (y + 1)<sup>2</sup> = 4
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15
×
Find the radius of the circle if its equation is (x + 7)2 + (y + 8)2 = 81
9
8
81
7
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15
×
In the equation of a circle, what does (h, k) represent?
The coordinates of the center
The length of the diameter
The length of the radius
None of these
Oops!
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15
×
What is the equation of the circle graphed below?
(x + 1)<sup>2</sup> + (y - 3)<sup>2</sup> = 4
(x - 1)<sup>2</sup> + (y + 3)<sup>2</sup> = 4
(x - 1)<sup>2</sup> + (y + 3)<sup>2</sup> = 2
(x + 1)<sup>2</sup> + (y + 3)<sup>2</sup> = 4
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×
lifesaver
Give 20 points!
Oops!
×
star
Double points!
Okay!
×
rocket
Go to first place!
Okay!
×
baam
Lose 15 points!
Oops!
×
trap
No points!
Oops!
×
shark
Other team loses 10 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
baam
Lose 15 points!
Oops!
15
×
Find the radius of the circle if its equation is (x+ 2)2 + (y - 3)2 = 183
183
2
3
13.5
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15
×
What is the equation of a circle whose center is (2, 0) and radius is 4?
x<sup>2</sup> + (y - 2)<sup>2</sup> = 16
(x + 2)<sup>2</sup> + y<sup>2</sup> = 16
(x - 2)<sup>2</sup> + y<sup>2</sup> = 16
(x - 2)<sup>2</sup> + y<sup>2</sup> = 8
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15
×
What is the equation of the circle graphed below?
(x - 1)<sup>2</sup> + (y + 4)<sup>2</sup> = 3
(x + 1)<sup>2</sup> + (y + 4)<sup>2</sup> = 3
(x - 1)<sup>2</sup> + (y - 4)<sup>2</sup> = 9
(x - 1)<sup>2</sup> + (y + 4)<sup>2</sup> = 9
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15
×
Find the radius of the circle if its equation is x2 + y2 = 49
2
7
49
0
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15
×
Find the radius of the circle if its equation is x2 + (y + 2)2 = 16
4
8
16
2
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15
×
What is the equation of the circle whose center is (-1, 2) and radius is 9?
(x + 1)<sup>2</sup> + (y - 2)<sup>2</sup> = 81
(x - 1)<sup>2</sup> + (y + 2)<sup>2</sup> = 3
(x + 1)<sup>2</sup> + (y - 2)<sup>2</sup> = 3
(x + 1)<sup>2</sup> + (y - 2)<sup>2</sup> = 9
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15
×
Find the center of the circle if its equation is (x - 7)2 + (y + 8)2 = 49
(7, -8)
(8, -7)
(-7, 8)
(-8, 7)
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15
×
In the equation of a circle, what does r represent?
Coordinates of the center
Length of the diameter
Length of the radius
None of these
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15
×
What is the equation of the circle graphed below?
(x + 2)<sup>2</sup> + (y - 1)<sup>2</sup> = 25
(x - 2)<sup>2</sup> + (y + 1)<sup>2</sup> = 5
(x + 2)<sup>2</sup> + (y - 1)<sup>2</sup> = 5
(x - 2)<sup>2</sup> + (y + 1)<sup>2</sup> = 25
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×
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