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Mandas Alg2Chap8
Question | Answer |
---|---|
What is a parabola? | A set of all points in a plane that are the same distance from a given point called the focus and a given line called the directrix |
Standard form of a parabola? | y = a ( x - h ) ^ 2 + k |
What is a circle? | A set of all points on a plane that are equidistant from a given point called the center |
Standard form of a circle? | ( x - h ) ^ 2 + ( y - k ) ^ 2 = r ^ 2 |
What is an ellipse? | Set of all points on a plain such that the sum of the distances from two fixed points is constant |
Standard form of a vertical ellipse? | ( x - h ) ^ 2 / b ^ 2 + ( y - k) ^ 2 / a ^ 2 |
Standard form of a horizontal ellipse? | ( x - h ) ^ 2 / a ^ 2 + ( y - k) ^ 2 / b ^ 2 |
What is a hyperbola? | Set of all points on a plane such that the absolute value of the difference of the distances from the foci is constant |