The number e is called the ________ of the conic? If e < 1, then the conic is an ________? If e =1, then the conic is a ________? The line through the focus and ^r to the directix is called ________? of the parabola? The focal chord ^r to the axis of the parabola is called ________ of the parabola? Equation of an ellipse if a > b is ________? Equation of an ellipse if a < b is ________? A line segment whose end points lie on a circle is called diameter of the circle?
An angle of a semi-circle is a right angle? The line joining the center of a circle to the midpoint of a chord is perpendicular to the chord? The perpendicular at outer end of a radial segment is tangent to the circle? In each ellipse length of major axis = 2a and length of minor axis = b? Eccentricity of the ellipse is e = c/a? There are four types of parabola? The ellipse and hyperbola are called central conics because each has a center of symmetry?