Equations of Circles

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

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+(y-3)²= 5, the radius is...

• √5
• 3
• 5
• 25

Tags

CCSS.HSG.GPE.A.1

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

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

Tags

CCSS.HSG.GPE.A.1

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

• (-2, 3)
• (-3, 2)
• (2, -3)
• (3, -2)

Tags

CCSS.HSG.GPE.A.1

In the equation (x-4)²+(x-3)²=25, the diameter of the circle is...

• 10
• 50
• 5
• 15

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

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

• 14
• 98
• 7
• 49

Tags

CCSS.HSG.GPE.A.1

What is the equation of a circle with radius 11 and center (-6, 10)?

• (x - 6)²+(y + 10)²= 11
• (x + 6)²+ (y - 10)²= 121
• (x + 6)²+(y - 10)²= 11
• (x-6)²+(y+10)²= 
  √11

Tags

CCSS.HSG.GPE.A.1

What is the equation of a circle with diameter 28 and center (-3, -5)?

• (x + 3)²+(y + 5)²= 14
• (x + 3)²+ (y + 5)²= 784
• (x + 3)²+(y + 5)²= 49
• (x+3)²+(y+5)²= 196

Tags

CCSS.HSG.GPE.A.1