Finding the Center and Radius of a Circle
Read this topicExplanations 3
- (Video) General Form by mathman1024 Here's a video by mathman1024 showing you how to turn an equation in general form into an equation in center-radius form so you can find the …
By Alex Federspiel, Anusha Rahman
- Finding the Center and Radius of a Circle There are two ways you can find the center and radius of a circle: by graphing or reading an equation. We will start with reading an eq…
By Anusha Rahman
- The Center and Radius of a Circle We know that a circle is a shape made up of all points that are the same distance away from a central point. That central point is called the c…
By Anusha Rahman
Problems 10
- Consider the circle defined by: x2+y2=16x^2 + y^2 = 16x2+y2=16 What is the radius of this circle?
- Consider the circle defined by: (x−3)2+(y+2)2=9(x-3)^2 + (y+2)^2 = 9(x−3)2+(y+2)2=9 What is the radius of this circle?
- Consider the circle defined by: x2+y2−10x−2y+1=0x^2 + y^2 - 10x - 2y + 1 = 0x2+y2−10x−2y+1=0 What is the radius of this circle?
- Consider the circle defined by: (x+2)2+(y+1)2=3(x+2)^2 + (y+1)^2 = 3(x+2)2+(y+1)2=3 What is the yyy-coordinate of the center of this circle?
- Consider the circle defined by: x2+(y−5)2=3x^2 + (y-5)^2 = 3x2+(y−5)2=3 What is the center of this circle?
- Consider the circle defined by: x2+y2−24x+10y=0x^2 + y^2 - 24x + 10y = 0x2+y2−24x+10y=0 What is the center of this circle?
- Consider the circle defined by: x2+y2−2x−6y+6=0x^2 + y^2 - 2x - 6y + 6= 0x2+y2−2x−6y+6=0 What is the center of this circle?
- Let rrr be a positive real number and consider the circle defined by: (x−h)2+(y−k)2=r2(x - h)^2 + (y - k)^2 = r^2(x−h)2+(y−k)2=r2 If the point (α,β)(\alpha, \beta)(α,β) is on th…
- Which of the following represents the equation for the radius of a circle between any (x,y)(x,y)(x,y) point centered at (h,k)(h,k)(h,k)?
- Write an equation for a circle centered at the point (−5,3)(-5,3)(−5,3) with radius 444.