Quiz on the topic Circles and Equation of a circle - 2O - Jan 13

The point (-5,6) is on a circle with center (-1,3) write the equation of the circle

• (x+1)² + (y-3)²= 4000

• (x+5)² + (y-6)²= 25

• (x+1)² + (y-3)²= 25

• (x-1)² + (y+3)²= 25

What is the radius of the circle with this equation of (x-5)²+(y+7)²=64?

• 4

• 8

• 32

• 64

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

• 4
• 2
• 3
• 16

For circle described by the equation (x-3)²+(y-2)²=16, which of the following is not true?

• The circle has a center of (3,2).

• The radius of the circle is 4.

• h=-3

• k=2

What is the center and radius in this image?

• C(-7,3) ; r=3

• C(7,-3) ; r=3

• C(7,-3) ; r=9

• C(-7,3) ; r=9

What is the equation of a circle with center (-13, -16) and point (-10, -16) on its circumference?

• (x+13)²+(x+16)²=9

• (x+10)²+(x+16)²=9

• (x-13)²+(x-16)²=9

• (x-10²+(x+16)²=9

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)

What are the coordinates of the center and the radius of the circle with equation:
(x - 4)² + (y - 3)² = 25 ?

• Center (4,3)
  Radius = 5 units
• Center (4,3)
  Radius = 25 units
• Center (-4,-3)
  Radius = 25 units
• Center (-4,-3)
  Radius = 5 units

What is the center and radius for a circle with the equation:
(x-4)²+(y+2)²=25

• C:(4, -2), r=5
• C:(-4, 2), r=5
• C:(4, -2), r=25
• C:(-4, 2), r=25

Which graph corresponds to 
(x)²+ (y-6)²=9

• A
• B
• C
• D