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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 »

www.reference.com 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 »

www.reference.com 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 »

www.reference.com 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 »

www.reference.com Math Algebra

The graph of a linear equation forms a straight line, while a non-linear equation's graph does not form a straight line.Most equations can be graphed on a Cartesian coordinate plane using the variables x and y. More »

www.reference.com Math Algebra

A vertical intercept is a point where a line crosses the vertical axis, or y-axis, on the Cartesian coordinate plane. When evaluating a function, the vertical intercept can be found by setting the input, or x value, to z... More »

www.reference.com Math Algebra

A formula equation is a visual representation of a reaction using chemical formulas. A chemical formula is an expression that states the number and types of atoms that make up any given molecule using the symbols for the... More »

www.reference.com Math Algebra