Equation of a Circle - Basic mathematics.
Equation For a Circle This lesson shows two examples regarding how to find the equation of a circle centered at the origin. Examples: 1. Determine an equation for a circle with radius 3 units and centered at the origin. 2. Determine an equation for the circle through the point (-3,4) with center at the origin. 3.
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Answer to: Write the equation for a circle with a center at (-2,4) and a diameter of 12. By signing up, you'll get thousands of step-by-step.
Play this game to review Geometry. Write the equation of a circle with center (7, 0) with radius 3.
Figure 1 is a circle with the center, radius, and diameter identified. The center is a fixed point in the middle of the circle; usually given the general coordinates (h, k). The fixed distance from the center to any point on the circle is called the radius. A line segment from one point on the circle to another point on the circle that passes through the center is twice the radius in length.
Equation of a Circle A circle is the set of all points in a plane at a given distance (called the radius ) from a given point (called the center.) A line segment connecting two points on the circle and going through the center is called a diameter of the circle.
Question from Michelle, a student: Write and equation for the circle with a center, (0,0) and a diameter of 12.