The general equation of a circle in the Cartesian coordinate system is (x-a)2 + (y-b)2 = r2. The point (a,b) represents the center of the circle and the value of r represents the radius of the circle. More » Math Algebra

To find the perimeter of a circle, also known as the circumference, plug the dimensions of the circle into the formula ((pi)(d). This formula stands for pi (approximately 22/7) times the diameter of the circle (d). More » Math Geometry Shapes

Find the equation of a circle using the formula (x-h)squared+(y-k)squared=r squared. Know that h and k represent the coordinates for the center, with h being the x value, k being the y value and r being the radius. More » Math Geometry Shapes
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A slope intercept calculator is a tool used to determine the slope-intercept form of an equation for a line passing through two points on a Cartesian coordinates plane. Other uses include calculation of the slope itself ... More » Math Algebra

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An inverse equation, or inverse function, is an equation that reverses another equation. If an equation will give the value of y when providing x, the inverse equation will give the value of x when providing y. More » Math Algebra