Find center and radius
What is the center and radius of the circle represented by the equation ( x+3)2 + (y - 5)2 = 36?
Center : (-3, 5)
Radius : 6
What is the diameter if the radius is 5?
What is 10?
What is the distance between (0,-4), (7, -4)?
7 units
What is the equation with center (3,0) Diameter of 18?
(x-3)2 + y2 = 81
What is diameter of a circle? Explain what it is.
The longest chord that passes through the center of the circle.
The line segment that cuts the circle into half.
Twice the radius of the circle.
What is x2 + (y+4)2 = 12?
Center(0, -4)
2 sqrt 3
What is the formula for area of a circle?
(pi)r2
What is twice the distance between (-1, 5), (2, 5)?
6 units
What is the equation of a circle with center at (-4, 2) with a diameter of of 2 sqrt 5?
(x+4)2 + (y-2)2= 20
What is a right angle?
An angle that measures 90 degrees
What is the center and diameter of the circle
( x -4)2 + ( y-3)2= 75?
Center : (4, 3)
10 sqrt 3
What is the formula to find the distance between two points?
sqrt [(x1 - x2)2 + (y1 - y2)2]
What is the midpoint of the endpoints (6, -3), (4, -7)?
What is (5, -5)?
What is the general form of the equation of the circle with center (0,-3) and radius 5?
x2+y2+6y-16=0
What is the 3rd angle measure of a triangle that has a right angle and an angle of 30 degrees?
60 degrees
What is the center and radius of the circle given the equation x2 + y2 - 4x + 4y - 2 = 0?
Center : (2 , -2)
Radius : sqrt of 10
What is the midpoint formula?
What is [ (x1+x2)/2, (y1 + Y2 )/2 ]?
The midpoint of (-5, k) and (1, -10) is (-2, -3), what is k?
What is the equation whose center is the midpoint of (4, -1) and (-4, 7) with radius 5 sqrt 2?
x2+(y-3)2 = 50
5pi units2
What is the center and diameter of the circle given the equation 6x + 8y + 5 + x2 + y2 = 0?
Center : ( -3, -4)
Radius : 2 sqrt of 5
What formula is used in getting the distance of a point from a line?
|K - C| / sqrt (A2 + B2)
What is the distance between the midpoint of (6, 1) and (4, 1) and (0,3)?
sqrt of 29
What is the equation of the circle centered on the x-axis and is a point on line x = -5 with diameter given by the distance of (6, -3) and (4, -2)?
(x+5)2 + y2 = 25/4
3/5