Equations of Circles Geometry

What is the radius of the circle
(x+7)²+(y-2)²=144?

• 7

• 12

• 13

Tags

CCSS.HSG.GPE.A.1

What is the radius of the circle with equation x² + (y+6)² = 196?

• 6

• 14

• 98

• 196

Tags

CCSS.HSG.GPE.A.1

What is the center of the circle with equation x² + (y+6)² = 196?

• (1, 6)

• (1, -6)

• (0, 6)

• (0, -6)

Tags

CCSS.HSG.GPE.A.1

Choose the equation that represents the circle with center (5, 9) and goes through (2, 9)

• (x+5)²+(y+9)²=3

• (x-5)²+(y-9)²=3

• (x+5)²+(y+9)²=9

• (x-5)²+(y-9)²=9

Tags

CCSS.HSG.GPE.A.1

Determine the center and radius: x² + y² + 14x - 2y = -1

• center= (-7,2) radius= 3

• center= (-7,1) radius= 7

• center= (-4,1) radius= 5

• center= (-14,0) radius= 1

Tags

CCSS.HSG.GPE.A.1

In the equation (x-4)²+(y-3)²=25, the radius is

• 4

• 3

• 5

• 25

Tags

CCSS.HSG.GPE.A.1

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

• A

• B

• C

• D

Tags

CCSS.HSG.GPE.A.1

Which graph corresponds to 
(x+2)²+ (y-3)²=36

• A

• B

• C

• D

Tags

CCSS.HSG.GPE.A.1

In the equation (x+2)²+(y-3)²=4, the radius of the circle is...

• 4

• 2

• 3

• 16

Tags

CCSS.HSG.GPE.A.1

In the equation (x+2)²+(y+3)²=49, the center of the circle is at....

• (2, 3)

• (3, 2)

• (-3, -2)

• (-2, -3)

Tags

CCSS.HSG.GPE.A.1