[{"id": 1, "type": "multiple_choice", "options": ["x = 4 and x = 5", "x = 9 and x = 20", "x = -4 and x = -5", "x = 0 and x = 9"], "question": "What are the solutions to x² - 9x + 20 = 0?", "correct_answer": "x = 4 and x = 5"}, {"id": 2, "type": "multiple_choice", "options": ["18", "2", "10", "9"], "question": "Simplify: 18/2", "correct_answer": "9"}, {"id": 3, "type": "true_false", "question": "The Pythagorean theorem states that a² + b² = c² for any right triangle.", "correct_answer": "True"}, {"id": 4, "type": "multiple_choice", "options": ["x = 0 and x = 8", "x = -2 and x = -6", "x = 2 and x = 6", "x = 8 and x = 12"], "question": "What are the solutions to x² - 8x + 12 = 0?", "correct_answer": "x = 2 and x = 6"}, {"id": 5, "type": "multiple_choice", "options": ["1", "4", "4", "2"], "question": "Simplify: 4/4", "correct_answer": "1"}, {"id": 6, "type": "multiple_choice", "options": ["x = 2 and x = 5", "x = 7 and x = 10", "x = 0 and x = 7", "x = -2 and x = -5"], "question": "What are the solutions to x² - 7x + 10 = 0?", "correct_answer": "x = 2 and x = 5"}, {"id": 7, "type": "multiple_choice", "options": ["hypotenuse / opposite", "adjacent / hypotenuse", "opposite / hypotenuse", "opposite / adjacent"], "question": "In a right triangle, sin(θ) is defined as:", "correct_answer": "opposite / hypotenuse"}, {"id": 8, "type": "true_false", "question": "The Pythagorean theorem states that a² + b² = c² for any right triangle.", "correct_answer": "True"}]