Ellipse. 1. (Science: geometry) An oval or oblong figure, bounded by a regular curve, which corresponds to an oblique projection of a circle, or an oblique section of a cone through its opposite sides. The greatest diameter of the ellipse is the major axis, and the least diameter is the minor axis.
An ellipse is a circle which has been squashed or flattened a bit. All 8 planets in our Solar System travel around the Sun in elliptical orbits. Not all ellipses are the same. The 'eccentricity' of an ellipse tells us how flattened (or how elliptical) it is.
Ellipses vary in shape from very broad and flat to almost circular, depending on how far away the foci are from each other. If the two foci are on the same spot, the ellipse is a circle.
An ellipse is a circle that has been stretched in one direction, to give it the shape of an oval. But not every oval is an ellipse, as shown in Figure 1, below.
Okay if they were the same sign and the same number then we'd have a circle like we had the one justMoreOkay if they were the same sign and the same number then we'd have a circle like we had the one just above it so this one's an ellipse.
Thus, the standard equation of an ellipse is x2a2+y2b2=1. This equation defines an ellipse centered at the origin. If a>b,the ellipse is stretched further in the horizontal direction, and if b>a, the ellipse is stretched further in the vertical direction.
Both ellipses and hyperbola are conic sections, but the ellipse is a closed curve while the hyperbola consists of two open curves. Therefore, the ellipse has finite perimeter, but the hyperbola has an infinite length.
Ellipse: When x and y are both squared and the coefficients are positive but different. The equation 3x – 9x + 2y + 10y – 6 = 0 is one example of an ellipse. The coefficients of x and y are different, but both are positive.