Equation of a Circle
Harder Circles
Complete the Square
Arc Length and Sector Area
Vocab
100
Identify the center and radius of the following circle: (x+2)2 + (y+9)2 = 9
What is (-2,-9) radius=3
100
Write the standard equation of the circle with center (2,16) and Area =π
What is (x-2)2 + (y-16)2 = 1
100
Find the center and radius of the given equation. -4x+x2+y2-4y=1
What is (2,2) radius=3
100
(m/360)*(2πr)
What is the formula for Arc Length
100
The following sentence is the definition to what vocab word. A segment whose endpoints are the center and any point on the circle.
What is radius
200
Find the center and radius of the given equation. (x-2)^2+(y+1)^2=16
What is (2,-1) radius=4
200
Write the standard equation of the circle with center (-11,27/2) and Circumference = 2π√7
What is (x+11)2 + (y-27/2)2 = 7
200
Find the center and radius of the given equation. x2+12x-6y+y2=-36
What is (-6,3) radius=3
200
(m/360)*(πr2)
What is the formula for Sector Area?
200
The following sentence is the definition to what vocab word. Set of all points equidistant (at equal distances) from a given point.
What is circle
300
Find the center and radius of the given equation. (x-1)^2+(y+3)^2= 4
What is (1,-3) radius=2
300
Write the standard equation of the circle with center (1,2) and point (0,6)
What is (x-1)2 + (y-2)2 = 17
300
Find the center and radius of the given equation. 8x+x2-2y=64-y2
What is center (-4,1) radius: 9
300
Find the arc length given r=12yd and θ = 150°
What is 10π yd
300
The following sentence is the definition to what vocab word. A circle is named by this point.
What is center
400
Find the center and radius of the given equation. (x+4)^2+(y-1)^2=81
What is (-4,1) radius=9
400
Write the standard equation of the circle with center (-9,3) and point (-5,8)
What is (x+9)2 + (y-3)2 = 41
400
Find the center and radius of the given equation. x2+2x+y2+8y-47=0
What is (-1,-4) radius=8
400
Find sector area given r= 4 in and θ=135°
What is 6π in2
400
The following sentence is the definition to what vocab word. The perimeter of a circle.
What is circumference
500
Write the equation of a circle who has a center of (4, -1) and a radius of 9.
What is (x-4)^2 +(y+1)^2=81
500
Write the standard equation of the circle with diameter endpoints of (0,7) and (-4,-15)
What is (x+2)2 + (y+4)2 = 125
500
Find the center and radius of the given equation. 4x+x2+y2-6y-9=0
What is (-2, 3) radius=&rad;22
500
The area of sector AOB is 48π and m∠AOB = 270°. Find the radius
What is r=8
500
The following sentence is the definition to what vocab word. The ratio of a circle's circumference to its diameter.
What is pi
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