How do you find the standard form of a circle with the center and radius?

The standard form of a circle is given below: (x – h)2 + (y – k)2 = r2, where the center is located at (h, k) and r is the length of the radius. In this case, h will be –3, k will be 6, and r will be 5. The answer is (x + 3)2 + (y – 6)2 = 25.

What is standard form for a circle?

The standard form of the equation of a circle is (x−x1)2+(y−y1)2=r2 ( x − x 1 ) 2 + ( y − y 1 ) 2 = r 2 , where (x1,y1) ( x 1 , y 1 ) is the coordinate of the center of the circle and r r is the radius of the circle.

How do you write the standard form of a circle with the center and solution point?

Standard form for the equation of a circle is (x−h)2+(y−k)2=r2. The center is (h,k) and the radius measures r units. To graph a circle mark points r units up, down, left, and right from the center.

What is an equation of a circle with center − 2 − 1 and radius 3?

The equation of the circle whose center is (2,1) and radius is 3 is (x – 2)2 + (y – 1)2 = 9.

What is the standard form of the equation of a circle with center 3 and radius 4?

Summarizing: The equation of the circle with center (−3,−4) and radius 3,in standard form, is: (x+3)2+(y+4)2 = 9.

What is the center of the circle?

The center of a circle is the point equidistant from the points on the edge. Similarly the center of a sphere is the point equidistant from the points on the surface, and the center of a line segment is the midpoint of the two ends.

What is H and K in a circle?

A circle can be defined as the locus of all points that satisfy the equation. (x-h)2 + (y-k)2 = r2. where r is the radius of the circle, and h,k are the coordinates of its center.

What is the equation for the circle with center 2 and R 3?

The standard form of the equation of a circle is. where (a ,b) are the coordinates of the centre and r, the radius. Substitute these values into the standard equation. ⇒(x+2)2+(y+3)2=9 is the circle’s equation.

What is the general equation of the circle with center 4 3 and radius 3?

The equation of the circle with center (−3,−4) and radius 3,in standard form, is: (x+3)2+(y+4)2 = 9.

What is the equation of a circle with center 3/5 and radius 4?

Explanation: A general circle with centre (a,b) and radius r has equation (x−a)2+(y−b)2=r2 .

What is radius in a circle?

a straight line extending from the center of a circle or sphere to the circumference or surface: The radius of a circle is half the diameter. the length of such a line.