Equation of a Circle | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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Find the radius of the circle if its equation is (x+ 2)2 + (y - 3)2 = 183

183

13.5

2

3

Find the center of the circle if its equation is (x - 10)2 + (y - 9)2 = 49

(10, 9)

(9, 10)

(-9, -10)

(-10, -9)

What is the equation of the circle graphed below?

(x + 1)2 + (y + 4)2 = 3

(x - 1)2 + (y + 4)2 = 3

(x - 1)2 + (y + 4)2 = 9

(x - 1)2 + (y - 4)2 = 9

What is the equation of a circle whose center is (5, -1) and radius is 8

(x - 5)2 + (y + 1)2 = 64

(x - 5)2 + (y - 1)2 = 64

(x + 5)2 + (y - 1)2 = 64

(x + 5)2 + (y + 1)2 = 64

In the equation of a circle, what does r represent?

Length of the radius

Coordinates of the center

None of these

Length of the diameter

In the equation of a circle, what does (h, k) represent?

The length of the radius

The coordinates of the center

The length of the diameter

None of these

What is the equation of the circle graphed below?

(x - 2)2 + (y + 1)2 = 25

(x + 2)2 + (y - 1)2 = 25

(x + 2)2 + (y - 1)2 = 5

(x - 2)2 + (y + 1)2 = 5

Find the radius of the circle if its equation is (x + 7)2 + (y + 8)2 = 81

7

81

9

8

Find the center of the circle if its equation is (x - 7)2 + (y + 8)2 = 49

(8, -7)

(-8, 7)

(7, -8)

(-7, 8)

What is the equation of the circle graphed below?

(x + 2)2 + (y - 1)2 = 16

(x - 2)2 + (y + 1)2 = 16

(x - 2)2 + (y + 1)2 = 4

(x - 2)2 + (y + 1)2 = 8

What is the equation of the circle graphed below?

(x + 1)2 + (y - 3)2 = 4

(x - 1)2 + (y + 3)2 = 4

(x - 1)2 + (y + 3)2 = 2

(x + 1)2 + (y + 3)2 = 4

What is the equation of the circle whose center is (-1, 2) and radius is 9?

(x + 1)2 + (y - 2)2 = 81

(x + 1)2 + (y - 2)2 = 9

(x - 1)2 + (y + 2)2 = 3

(x + 1)2 + (y - 2)2 = 3

What is the equation of a circle whose center is (2, 0) and radius is 4?

(x - 2)2 + y2 = 8

(x + 2)2 + y2 = 16

(x - 2)2 + y2 = 16

x2 + (y - 2)2 = 16

Find the center of the circle if its equation is (x + 2)2 + (y - 3)2 = 49

(-3, 2)

(2, -3)

(3, -2)

(-2, 3)

Find the radius of the circle if its equation is x2 + (y + 2)2 = 16

16

2

8

4

Find the center of the circle if its equation is x2 + y2 = 49

(0, 7)

(7, 0)

(0, 49)

(0, 0)

Find the radius of the circle if its equation is x2 + y2 = 49

7

0

49

2

What is the equation of a circle whose center is (-3, -7) and radius is 5

(x + 3)2 + (y + 7)2 = 5

(x + 3)2 + (y + 7)2 = 25

(x - 3)2 + (y - 7)2 = 25

(x - 3)2 + (y - 7)2 = 5