[{"id":241878,"question":"x = c is a vertical line parallel to __________.","choices":[{"text":"x-axis","value":"A"},{"text":"y-axis may be","value":"B"},{"text":"y-axis","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":241877,"question":"Non-vertical lines divide the plane into___________half plane:","choices":[{"text":"Upper and lower","value":"A"},{"text":"Many","value":"B"},{"text":"Left and Right","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1}]