// Numbas version: exam_results_page_options
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x_1}{y_2 - y_1}$<br/>$= \\frac{\\var{bx} - \\var{ax}}{\\var{by} - \\var{ay}} = \\var{precround((bx-ax)/(by-ay),2)} \\text{ to 2dp}$</p>", "rulesets": {}, "extensions": ["geogebra"], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {"b": {"name": "b", "group": "Ungrouped variables", "definition": "random(-4..4 #0.5)", "description": "", "templateType": "anything", "can_override": false}, "c": {"name": "c", "group": "Ungrouped variables", "definition": "random(-4..4 #0.5)", "description": "", "templateType": "anything", "can_override": false}, "a": {"name": "a", "group": "Ungrouped variables", "definition": "random(1,-1)", "description": "", "templateType": "anything", "can_override": false}, "uod": {"name": "uod", "group": "Ungrouped variables", "definition": "if(a=1,\"upwards\",\"downwards\")", "description": "", "templateType": "anything", "can_override": false}, "pon": {"name": "pon", "group": "Ungrouped variables", "definition": "if(a=1,\"positive\",\"negative\")", "description": "", "templateType": "anything", "can_override": false}, "ax": {"name": "ax", "group": "Ungrouped variables", "definition": "random(0..1)", "description": "", "templateType": "anything", "can_override": false}, "bx": {"name": "bx", "group": "Ungrouped variables", "definition": "random(2..4)", "description": "", "templateType": "anything", "can_override": false}, "ay": {"name": "ay", "group": "Ungrouped variables", "definition": "random(0..1)", "description": "", "templateType": "anything", "can_override": false}, "by": {"name": "by", "group": "Ungrouped variables", "definition": "random(3..4)\n", "description": "", "templateType": "anything", "can_override": false}, "rate_quad": {"name": "rate_quad", "group": "Ungrouped variables", "definition": "(a)*(2*px - 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