[{"id": 1, "type": "multiple_choice", "options": ["x = 5 and x = 4", "x = -4 and x = -1", "x = 0 and x = 5", "x = 4 and x = 1"], "question": "What are the solutions to x² - 5x + 4 = 0?", "correct_answer": "x = 4 and x = 1"}, {"id": 2, "type": "short_answer", "question": "What is 2^3?", "correct_answer": "8"}, {"id": 3, "type": "multiple_choice", "options": ["x = 3 and x = 6", "x = -3 and x = -6", "x = 0 and x = 9", "x = 9 and x = 18"], "question": "What are the solutions to x² - 9x + 18 = 0?", "correct_answer": "x = 3 and x = 6"}, {"id": 4, "type": "multiple_choice", "options": ["x = -1 and x = -6", "x = 0 and x = 7", "x = 1 and x = 6", "x = 7 and x = 6"], "question": "What are the solutions to x² - 7x + 6 = 0?", "correct_answer": "x = 1 and x = 6"}, {"id": 5, "type": "multiple_choice", "options": ["opposite / hypotenuse", "adjacent / hypotenuse", "hypotenuse / opposite", "opposite / adjacent"], "question": "In a right triangle, sin(θ) is defined as:", "correct_answer": "opposite / hypotenuse"}]