Centers of Circles

• (x+1)² + (y +1)² = 3
• (x+1)² + (y -1)² = 3
• (x+1)² + (y +1)² = 9
• (x-1)² + (y -1)² = 9

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-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

Change the following equation to standard form
x²+y²-4x+12y-8=0

• (x+2)²+(y-6)²=48
• (x-2)²+(y+6)²=48
• (x-6)²+(y-2)²=48
• (x+2)²+(y-6)²=48

Tags

CCSS.HSG.GPE.A.1

What is the equation for this circle?

• (x+1)+(y+1)=9
• x²+y²=9
• x+y=9

Tags

CCSS.HSG.GPE.A.1

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

• (x - 7)² + y² = 9
• x² + (y -7)² = 9
• (x - 7)² + y² = 3
• x² + (y -7)² = 3

Tags

CCSS.HSG.GPE.A.1

What is the center for the circle with this equation x²+y²+4x+6y-36=0?

• (-2,5)
• (2,7)
• (-2,-3)

Tags

CCSS.HSG.GPE.A.1

A line segment between two points on the circle which passes through the center

• Radius
• Diameter
• Chord
• Tangent

Choose the equation that represents the circle with center (0,0) that goes through the point (3, 4).

• (x-3)²+(y-4)²=5
• x²+y²=5
• x²+y²=25
• (x-3)²+(y-4)²=25

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