Ellipse Equation

• The center is (h, k), 2a is the transverse or horizontal diameter, and 2b is the vertical diameter

Ellipse Equation and Point on an Ellipse

• Any point that is on a circle can be put into the ellipse equation.

EXAMPLE

• Point (2, 3) is lies on the circle with center (1, 1), a = 2, b = 2 => (2 – 1)²/4 + (3 – 1)²/4 = 1