9 03 circles quiz

Question 1

1. What is the radius of the following circle?
   
   

   		-1
   		1
   		-2
   		2

2 points

Question 2

1. What is the center of the following circle?
   
   

   		(-2, 0)
   		(2, 0)
   		(0, 2)
   		(1, 2)

2 points

Question 3

1. What is the radius of the following graph?
   
   

   		3
   		5
   		6
   		9

2 points

Question 4

1. What is the equation of the following graph?
   
   

   		x2 + (y + 2)2 = 25
   		x2 + (y – 2)2 = 25
   		(x – 1)2 + (y – 2)2 = 25
   		(x + 1)2 + (y – 2)2 = 25

2 points

Question 5

1. What is the center of the following graph?
   
   

   		(-5, 6)
   		(5, 6)
   		(-4, 6)
   		(4, 6)

2 points

Question 6

1. Write the equation of a circle with a center at (-2, -5) and a radius of 6.5.
   

   		(x + 2)2 + (y + 5)2 = 6.5
   		(x – 2)2 + (y – 5)2 = 42.25
   		(x – 2)2 + (y – 5)2 = 6.5
   		(x + 2)2 + (y + 5)2 = 42.25

2 points

Question 7

1. Write the equation of a circle with a center at (3, 3) and a radius of 2.
   

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

2 points

Question 8

1. Write the equation of a circle with a center at (-5, -1) and a radius of 5.
   

   		(x – 5)2 + (y – 1)2 = 25
   		(x + 5)2 + (y + 1)2 = 25
   		(x + 5)2 + (y + 1)2 = 5
   		(x – 5)2 + (y – 1)2 = 5

2 points

Question 9

1. Write the equation of a circle with a center at (1, 2) and a radius of 1.3.
   

   		(x + 1)2 + (y + 2)2 = 1.3
   		(x + 1)2 + (y + 2)2 = 1.69
   		(x – 1)2 + (y – 2)2 = 1.69
   		(x – 1)2 + (y – 2)2 = 1.3

2 points

Question 10

1. What is the point of symmetry for the following circle?
   
   

   		(1, 2)
   		(2, 1)
   		(1, 3)
   		(3, 1)

2 points

 

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