[{"id":242009,"question":"the focal chord perpendicular to the axis of the parabola is called _____________ of the parabola:","choices":[{"text":"Directrix","value":"A"},{"text":"Latus rectum","value":"B"},{"text":"Focus","value":"C"},{"text":"Focal chord","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":242008,"question":"The equation of the latus-rectum of the parabola y<sup>2</sup> = 4ax is:","choices":[{"text":"x = a","value":"A"},{"text":"x = -a","value":"B"},{"text":"y = a","value":"C"},{"text":"y = -a","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":242007,"question":"The length of the latus rectum of the parabola y<sup>2</sup> = 4ax is:","choices":[{"text":"a","value":"A"},{"text":"4a","value":"B"},{"text":"2a","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":242006,"question":"The equi. of latus-rectum of the parabola y<sup>2</sup> = -4ax is:","choices":[{"text":"x = a","value":"A"},{"text":"x = -a","value":"B"},{"text":"y = a","value":"C"},{"text":"y = -a","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":242005,"question":"Equation of axis of the parabola x<sup>2</sup> = 4ay is:","choices":[{"text":"x = 0","value":"A"},{"text":"x = a","value":"B"},{"text":"y = 0","value":"C"},{"text":"y = a","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":242004,"question":"The axis of the parabola x<sup>2</sup> = -4ay is:","choices":[{"text":"x = a","value":"A"},{"text":"x = 0","value":"B"},{"text":"y = a","value":"C"},{"text":"y = 0","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":242003,"question":"The axis of the parabola y<sup>2</sup> = 4ax is:","choices":[{"text":"x = 0","value":"A"},{"text":"x = a","value":"B"},{"text":"y = 0","value":"C"},{"text":"y = a","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":242002,"question":"The axis of the parabola y<sup>2</sup> = -4ax is:","choices":[{"text":"x = a","value":"A"},{"text":"x = 0","value":"B"},{"text":"y = a","value":"C"},{"text":"y = 0","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":242001,"question":"The axis of the parabola x<sup>2</sup> = 4ay is:","choices":[{"text":"x = 0","value":"A"},{"text":"x = -a","value":"B"},{"text":"y = 0","value":"C"},{"text":"y = -a","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":242000,"question":"The vertex of parabola (x - 1)<sup>2</sup> = 8 (y + 2) is:","choices":[{"text":"(1, -2)","value":"A"},{"text":"(0, 1)","value":"B"},{"text":"(-1, -2)","value":"C"},{"text":"(1, 2)","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":241999,"question":"The vertex of the parabola x<sup>2</sup> = 4ay is:","choices":[{"text":"(-a, 0)","value":"A"},{"text":"(0, a)","value":"B"},{"text":"(0, -a)","value":"C"},{"text":"(0, 0)","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":241998,"question":"The point of a parabola which is closest to the focus in the:","choices":[{"text":"Directrix","value":"A"},{"text":"Vertex","value":"B"},{"text":"Focus","value":"C"},{"text":"Chord","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":241997,"question":"The vertex of the parabola y<sup>2</sup> = -4ax is:","choices":[{"text":"(-a, 0)","value":"A"},{"text":"(a, 0)","value":"B"},{"text":"(0, -a)","value":"C"},{"text":"(0, 0)","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":241996,"question":"The point where the axis meets the parabola is called ________ of the parabola:","choices":[{"text":"Directrix","value":"A"},{"text":"Vertex","value":"B"},{"text":"Focus","value":"C"},{"text":"Eccentricity","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":241995,"question":"The vertex of the parabola y<sup>2</sup> = 4ax is:","choices":[{"text":"(-a, 0)","value":"A"},{"text":"(a, 0)","value":"B"},{"text":"(0, -a)","value":"C"},{"text":"(0, 0)","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":241994,"question":"The vertex of the parabola x<sup>2</sup> = -4ay is:","choices":[{"text":"(a, 0)","value":"A"},{"text":"(0, 0)","value":"B"},{"text":"(0, -a)","value":"C"},{"text":"(0, a)","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":241993,"question":"The directrix of the parabola y<sup>2</sup> = 4ax is:","choices":[{"text":"x = a","value":"A"},{"text":"x = -a","value":"B"},{"text":"y = a","value":"C"},{"text":"y = - a","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":241992,"question":"The directrix of the parabola x<sup>2</sup> = -4ay is:","choices":[{"text":"x = a","value":"A"},{"text":"x = -a","value":"B"},{"text":"y = a","value":"C"},{"text":"y = -a","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":241991,"question":"The equ. of directrix of the parabola y<sup>2</sup> = -4ax is:","choices":[{"text":"x = a","value":"A"},{"text":"x = - a","value":"B"},{"text":"y = a","value":"C"},{"text":"y = -a","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":241990,"question":"The focus of the parabola x<sup>2</sup> = 4ay:","choices":[{"text":"(0, a)","value":"A"},{"text":"(-a , 0)","value":"B"},{"text":"(0, -a)","value":"C"},{"text":"(a, 0)","value":"D"},{"value":"E"}],"correctAnswer":1}]