[{"id": 1, "type": "multiple_choice", "options": ["opposite / adjacent", "opposite / hypotenuse", "adjacent / hypotenuse", "hypotenuse / opposite"], "question": "In a right triangle, sin(θ) is defined as:", "correct_answer": "opposite / hypotenuse"}, {"id": 2, "type": "true_false", "question": "The Pythagorean theorem states that a² + b² = c² for any right triangle.", "correct_answer": "True"}, {"id": 3, "type": "multiple_choice", "options": ["-5", "3", "5", "-2"], "question": "What is the slope of the line y = 5x + -2?", "correct_answer": "5"}, {"id": 4, "type": "multiple_choice", "options": ["10", "8", "72", "9"], "question": "Simplify: 72/8", "correct_answer": "9"}, {"id": 5, "type": "multiple_choice", "options": ["-3", "-3", "0", "3"], "question": "What is the slope of the line y = 3x + -3?", "correct_answer": "3"}]