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What is the equation of a circle with center (64) that passes through the coordinate (21)?
Wiki User
∙ 7y ago
If you mean center (6, 4) and coordinate (2, 1) then it is: (x-6)^2 +(y-4)^2 = 25
Wiki User
∙ 7y ago
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How do you verify if a point lies on a circle?
If ... the square of (the x-coordinate of the point minus the x-coordinate of the center of the circle) added to the square of (the y-coordinate of the point minus the y-coordinate of the center of the circle) is equal to the square of the circle's radius, then the point is on the circle.
What is a chord passing through the center of a circle?
a diameter
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Equation of circle: (x-3)^2 +(y-2)^2 = 8
What is the equation of a circle with a radius of 2?
In the coordinate plane, if the centre of the circle is at (a, b) then the equation is(x - a)^2 + (y - b)^2 = 2^2
What circles have their centers on the y-axis?
The circles that have their centers on the y-axis are those that have the equation x^2 + (y-k)^2 = r^2, where k is the y-coordinate of the center of the circle and r is the radius of the circle. In this case, the x-coordinate of the center is 0 since it lies on the y-axis.
How do you write an equation for a circle with a center?
Equation of any circle, with any radius, and its center at any point: [ x - (x-coordinate of the center) ]2 + [ y - (y-coordinate of the center) ]2 = (radius of the circle)2
How do you write an equation in standard form of a circle?
(x - h)2 + (y - k)2 = r2 where h is the x coordinate of the center of the circle. where k is the y coordinate of the center of the circle. where x is the x coordinate of point (x,y) on the edge of the circle. where y is the y coordinate of point (x,y) on the edge of the circle. Additional assistance here: http://www.mathwarehouse.com/geometry/circle/equation-of-a-circle.php
What is the equation of a unit circle?
A unit circle is a circle of radius 1. If it's center is at the origin of an xy-coordinate system, then the equation is x (squared) + y (squared) = 1
How do you verify if a point lies on a circle?
If ... the square of (the x-coordinate of the point minus the x-coordinate of the center of the circle) added to the square of (the y-coordinate of the point minus the y-coordinate of the center of the circle) is equal to the square of the circle's radius, then the point is on the circle.
What is the radius of the center circle?
Equation of a circle: (x-h)^2+(y-h)^2=r^2 k is the x-coordinate for the centre, h is the y-coordinate for the centre r=raduis if the equation is x^2+y^2=r^2, the centre of the circle is at (0,0)
What is a chord passing through the center of a circle?
a diameter
What number changes in the equation for a circle when you move the circle horizontally?
the number that is the x-coordinate
What is the equation of the circle with center at (3 2) and through the point (5 4).?
Equation of circle: (x-3)^2 +(y-2)^2 = 8
What equation represents the circle whose center is (-5,3) and that passes through the point (-1,3)?
-40
What is the equation of a circle with a radius of 2?
In the coordinate plane, if the centre of the circle is at (a, b) then the equation is(x - a)^2 + (y - b)^2 = 2^2
What circles have their centers on the y-axis?
The circles that have their centers on the y-axis are those that have the equation x^2 + (y-k)^2 = r^2, where k is the y-coordinate of the center of the circle and r is the radius of the circle. In this case, the x-coordinate of the center is 0 since it lies on the y-axis.
When does a secant of a circle pass through the center of the circle?
The secant of a circle passes through the center of a circle sometimes
