// Numbas version: finer_feedback_settings {"name": "7 - Logiske utsanger", "extensions": [], "custom_part_types": [], "resources": [["question-resources/rectangle.PNG", "/srv/numbas/media/question-resources/rectangle.PNG"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "7 - Logiske utsanger", "tags": [], "metadata": {"description": "", "licence": "All rights reserved"}, "statement": "

La $a$, $b$, $x$ og $y$ stå for vilkårlige reelle tall.

", "advice": "", "rulesets": {}, "extensions": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "

Avgjør hvilke av implikasjonene som gjelder

", "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": false, "shuffleAnswers": false, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", "choices": ["$x+a>b$

$x>b-a$
", "$ax+by>5$

$y>\\frac{1}{b}(5-ax)$", "$\\frac{1}{x}>\\frac{1}{y}>0$

$y>x$", "$a^2+b^2=0$

$a=0\\ \\ \\mathrm{og}\\ \\ b=0$", "$a^2+b^2=0$

$a=0\\ \\ \\mathrm{eller}\\ \\ b=0$", "$x^2>0$

$x>0$ ", "$x=2$

$x^4=16$ ", "$x^4=16$

$x=2$ eller $x=-2$", "$x^4=16$

$x=2$ og $x=-2$", "$x=-2$ eller $x=2$

$x\\in\\{-2,2\\}$", "$x\\in\\{-2,2\\}$

$x\\in\\{-2,2,3\\}$", "$x=-2$ eller $x=2$

$x=-2$ eller $x=2$ eller $x=3$", "$x^4=16$

$x=-2$ eller $x=2$ eller $x=3$"], "matrix": [[0, 0, "1", 0], ["1", 0, 0, 0], [0, "1", 0, 0], [0, 0, "1", 0], [0, 0, 0, "1"], ["1", 0, 0, 0], [0, "1", 0, 0], [0, 0, "1", 0], [0, 0, "0", "1"], [0, "0", "1", 0], [0, "1", 0, 0], [0, "1", 0, 0], [0, "1", 0, 0]], "layout": {"type": "all", "expression": ""}, "answers": ["$\\Leftarrow$", "$\\Rightarrow$", "$\\Leftrightarrow$", "ingen"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question", "contributors": [{"name": "Elena Malyutina", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7213/"}]}]}], "contributors": [{"name": "Elena Malyutina", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7213/"}]}