Equation of Circle Given Center and Radius

Write the equation of the circle with center C( -5 , 8 ) and radius = 7

• ( x - 5 )² + ( y + 8 )² = 14

• ( x - 5 )² + ( y - 8 )² = 49

• ( x - 5 )² + ( y + 8 )² = 49

• ( x + 5 )² + ( y - 8 )² = 49

What is the equation of the circle, with centre (-4,5) and radius 6 units?

• (x - 4)^2 + (y + 5)^2 = 6

• (x - 4)^2 + (y + 5)^2 = 36

• (x + 4)^2 + (y - 5)^2 = 6

• (x + 4)^2 + (y - 5)^2 = 36

What is the equation of the circle, with centre (-2,-7) and radius 3 units?

• (x + 2)^2 + (y + 7)^2 = 3

• (x - 2)^2 + (y - 7)^2 = 9

• (x + 2)^2 + (y + 7)^2 = 9

• (x - 2)^2 + (y - 7)^2 = 3

Which graph corresponds to 
(x-8)²+ (y+2)²=

• A

• B

• C

• D

• (x+2)²+(y+8)²=25

• (x-2)²+(y-8)²=10

• (x+2)²+(y+8)²=10

• (x+2)²+(y+8)²=100

• (x-2)²+(y-8)²=100

Write the equation of the circle with center at (2,3) and a radius of 5

• A

• B

• C

• D

• A
• B
• C
• D

What is the equation of a circle with radius 2 and center (3, 4)?

• (x+3)² + (y+4)² = 2

• (x-3)² + (y-4)² = 2

• (x+3)² + (y+4)² = 4

• (x-3)² + (y-4)² = 4

Write the equation of a circle with center (7, 0) and radius 3.

• (x - 7)² + y² = 9

• (x + 7)² + y² = 9

• (x - 7)² + y² = 3

• x² + (y -7)² = 3