By using dental inflation, us average price and dental geographic multiplier, we are able to price common dental services such as Dental Implant, How Much Do Braces Cost, Fillings, Veneers, Oral Surgery and more by major city. Learn more about the methodology of the calculation.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Curve(adj) bent without angles; crooked; curved; as, a curve line; a curve surface. 2  Curve(adj) a bending without angles; that which is bent; a flexure; as, a curve in a railway or canal. 3  Curve(adj) a line described according to some low, and having no finite portion of it a straight line.
A tangent is a line that just touches a curve at one point, without cutting across it. Here is a tangent to an ellipse: Here is a cool thing: the tangent line has equal angles with the two lines going to each focus! Try bringing the two focus points together (so the ellipse is a circle) ... what do you notice? Section of a Cone. You can also get an ellipse when you slice through a cone (but not too steep a slice, or you get a parabola or hyperbola). In fact the ellipse is a conic section (a section of a cone) with an eccentricity between 0 and 1. Equation By placing an ellipse on an x-y graph (with its major axis on the x-axis and minor axis on the y-axis), the equation of the curve is: