PHS: Circle Center (h, k), & Radius r

Identify the CENTER for the circle:

 $x^2\ +\ y^2\ =\ 49$  

• Center: (0,0)

• Center: (0,7)

• Center: (49,1)

• Center: (1,2)

Tags

CCSS.HSG.GPE.A.1

Identify the CENTER for the circle:

 $\left(x\ +\ 2\right)^2\ +\ \left(y-4\right)^2=\ 81$  

• Center: (0,0)

• Center: (-2, 4)

• Center: (2,-4)

• Center: (2, 4)

Tags

CCSS.HSG.GPE.A.1

In the equation

(x - 3)² + (y - 2)² = 16, the center of the circle is...

• (3,2)

• (-3, -2)

• (-2, -3)

• (2, 3)

Tags

CCSS.HSG.GPE.A.1

What is the center of the circle with this equation is (x + 2)² + (y - 4)² = 41?

• (2,-5)

• (-2,4)

• (2,-4)

• (-2, -4)

Tags

CCSS.HSG.GPE.A.1

Identify the RADIUS for the following circle:

 $\left(x\ -2\right)^2\ +\ \left(y-5\right)^2=\ 9$  

• Radius: 9

• Radius: 81

• Radius: 18

• Radius: 3

Tags

CCSS.HSG.GPE.A.1

Identify the RADIUS for the following circle:

 $\left(x\ +\ 10\right)^2\ +\ \left(y+10\right)^2=\ 100$  

• Radius: 100

• Radius: 1

• Radius: 10

• Radius: 10,000

Tags

CCSS.HSG.GPE.A.1

Identify the RADIUS for the following circle:

 $x^2\ +\ y^2\ =\ 324$  

• Radius: 12

• Radius: 18

• Radius: 324

• Radius: 25

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 - 4)² + (x - 3)² = 25, the radius is...

• 4

• 3

• 5

• 25

Tags

CCSS.HSG.GPE.A.1

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

• 4

• 2

• 3

• 16

Tags

CCSS.HSG.GPE.A.1