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How do you find the equation of a circle centered at the origin given the radius 2?
Updated: 6/21/2025
The equation of a circle centered at the origin (0,0) can be expressed using the formula (x^2 + y^2 = r^2), where (r) is the radius. Given that the radius is 2, you substitute (r) into the formula: (x^2 + y^2 = 2^2). This simplifies to (x^2 + y^2 = 4). Thus, the equation of the circle is (x^2 + y^2 = 4).
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Which equation describes the circle with radius 6 that is centered at the origin?
The equation is: x2+y2 = radius2
This circle is centered at the origin and the length of its radius is 7 What is the circle's equation?
x2 + y2 = 49
What is the equation of a circle centered at the origin with a radius of 1?
x² + y² = 1.
What is the equation of a circle centered at the origin with a radius of 4?
x² + y² = 16.
What is the equation of a circle centered at the origin with a radius of 10?
x² + y² = 100.
Related Questions
When you make the circle smaller which number in the standard equation for a circle centered at the origin decreases?
The radius of the circle decreases when you make the circle smaller.
Which equation describes the circle with radius 6 that is centered at the origin?
The equation is: x2+y2 = radius2
This circle is centered at the origin and the length of its radius is 5 What is the equation of the circle?
x2 + y2 = 25
This circle is centered at the origin and the length of its radius is 5 What is the circle's equation?
x2 + y2 = 25
This circle is centered at the origin and the length of its radius is 4 What is the equation of the circle?
x2 + y2= 16
This circle is centered at the origin and the length of its radius is 7 What is the circle's equation?
x2 + y2 = 49
This circle is centered at the origin and the length of its radius is 6 What is the circle's equation?
x2 + y2 = 36
What is the equation of a circle centered at the origin with a radius of 12?
x2 + y2 =144
What is the equation of a circle centered at the origin with a radius of 1?
x² + y² = 1.
What is the equation of a circle centered at the origin with a radius of 10?
x² + y² = 100.
What is the equation of a circle centered at the origin with a radius of 15?
x² + y² = 225.
What is the equation of a circle centered at the origin with radius 20?
x2 + y2 = 400
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