3. Fill in the blanks with center, circle, directrix, focus, line, parabola, or radius. Ais the set of all points that are equidistant from two points. (1 point) A_________is the set of all points that are equidistant from a given point. The given pointis called the________The segment showing the distance is called the______.(3 A________is the set of all points equidistant from a single point and a single line. The single point is called the_______and the single line is called the________(3 points)