// Numbas version: exam_results_page_options {"name": "Morten's copy of Potenser 3", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"statement": "

NB! I denne oppgaven kan du uttrykke svaret ved potenser. For eksempel kan du skrive 3^(-2)*x^7 for å få $3^{-2}\\cdot x^7$ og x^2*y for å få $x^2\\cdot y$

", "extensions": [], "variable_groups": [{"variables": ["a", "b", "d", "n", "m", "k", "l"], "name": "numerical fractions"}], "showQuestionGroupNames": false, "metadata": {"description": "

Working with powers

", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "advice": "

Learn from your mistakes and have another attempt by clicking on 'Try another question like this one' until you get full marks.

", "variablesTest": {"condition": "", "maxRuns": 100}, "parts": [{"showCorrectAnswer": true, "scripts": {}, "variableReplacementStrategy": "originalfirst", "gaps": [{"variableReplacementStrategy": "originalfirst", "checkingaccuracy": 0.001, "expectedvariablenames": [], "showpreview": true, "variableReplacements": [], "vsetrange": [0, 1], "checkingtype": "absdiff", "type": "jme", "showCorrectAnswer": true, "scripts": {}, "answersimplification": "std", "checkvariablenames": false, "vsetrangepoints": 5, "answer": "y^{m+1}/{k}^{m+1}", "marks": 1}], "steps": [{"showCorrectAnswer": true, "scripts": {}, "variableReplacementStrategy": "originalfirst", "prompt": "

Husk potensregnereglene

\n

$(a\\cdot b)^n = a^n\\cdot b^n$

\n

$\\displaystyle{\\left(\\frac{a}{b}\\right)^n=\\frac{a^n}{b^n}}$

\n

Se eventuelt denne videoen for hjelp:

\n

", "variableReplacements": [], "marks": 0, "type": "information"}], "stepsPenalty": 0, "prompt": "

Regn ut

\n

$\\displaystyle{\\left(\\frac{y}{\\var{k}}\\right)^\\var{m+1}} =$[[0]]

", "variableReplacements": [], "marks": 0, "type": "gapfill"}, {"showCorrectAnswer": true, "scripts": {}, "variableReplacementStrategy": "originalfirst", "gaps": [{"variableReplacementStrategy": "originalfirst", "checkingaccuracy": 0.001, "expectedvariablenames": [], "showpreview": true, "variableReplacements": [], "vsetrange": [0, 1], "checkingtype": "absdiff", "type": "jme", "showCorrectAnswer": true, "scripts": {}, "checkvariablenames": false, "vsetrangepoints": 5, "answer": "{a}^{n}*x^{n}", "marks": "1"}], "steps": [{"showCorrectAnswer": true, "scripts": {}, "variableReplacementStrategy": "originalfirst", "prompt": "

Husk potensregnereglene

\n

$(a\\cdot b)^n = a^n\\cdot b^n$

\n

$\\displaystyle{\\left(\\frac{a}{b}\\right)^n=\\frac{a^n}{b^n}}$

", "variableReplacements": [], "marks": 0, "type": "information"}], "stepsPenalty": "0", "prompt": "

Regn ut

\n

$\\displaystyle{\\left(\\var{a}x\\right)^\\var{n}} =$[[0]]

\n

", "variableReplacements": [], "marks": 0, "type": "gapfill"}, {"showCorrectAnswer": true, "scripts": {}, "variableReplacementStrategy": "originalfirst", "gaps": [{"variableReplacementStrategy": "originalfirst", "checkingaccuracy": 0.001, "expectedvariablenames": [], "showpreview": true, "variableReplacements": [], "vsetrange": [0, 1], "checkingtype": "absdiff", "type": "jme", "showCorrectAnswer": true, "scripts": {}, "checkvariablenames": false, "vsetrangepoints": 5, "answer": "{b}^{-m+1}*{-a}^{k}*y^{-m+k+1}", "marks": 1}], "steps": [{"showCorrectAnswer": true, "scripts": {}, "variableReplacementStrategy": "originalfirst", "prompt": "

Husk potensregnereglene

\n

$a^n\\cdot a^m=a^{n+m} $

\n

$\\displaystyle{\\frac{a^n}{a^m}=a^{n-m}}$

\n

", "variableReplacements": [], "marks": 0, "type": "information"}], "stepsPenalty": 0, "prompt": "

Skriv så enkelt som mulig:

\n

$\\displaystyle{(\\var{b}y)^\\var{-m+1}\\cdot (-\\var{a}y)^\\var{k}} =$[[0]]

\n

", "variableReplacements": [], "marks": 0, "type": "gapfill"}, {"showCorrectAnswer": true, "scripts": {}, "variableReplacementStrategy": "originalfirst", "gaps": [{"variableReplacementStrategy": "originalfirst", "checkingaccuracy": 0.001, "expectedvariablenames": [], "showpreview": true, "variableReplacements": [], "vsetrange": [0, 1], "checkingtype": "absdiff", "type": "jme", "showCorrectAnswer": true, "scripts": {}, "checkvariablenames": false, "vsetrangepoints": 5, "answer": "{d}^{l}*a^{2*l}", "marks": 1}], "steps": [{"showCorrectAnswer": true, "scripts": {}, "variableReplacementStrategy": "originalfirst", "prompt": "

Husk potensregnereglene

\n

$a^n\\cdot a^m=a^{n+m} $

\n

$\\displaystyle{\\frac{a^n}{a^m}=a^{n-m}}$

\n

$\\displaystyle{\\left(a^n\\right)^m=a^{n\\cdot m}}$

", "variableReplacements": [], "marks": 0, "type": "information"}], "stepsPenalty": 0, "prompt": "

Regn ut:

\n

$\\displaystyle{\\left(\\var{d}\\cdot a^2\\right)^\\var{l}} = $[[0]] 

", "variableReplacements": [], "marks": 0, "type": "gapfill"}, {"showCorrectAnswer": true, "scripts": {}, "variableReplacementStrategy": "originalfirst", "gaps": [{"variableReplacementStrategy": "originalfirst", "checkingaccuracy": 0.001, "expectedvariablenames": [], "showpreview": true, "variableReplacements": [], "vsetrange": [0, 1], "checkingtype": "absdiff", "type": "jme", "showCorrectAnswer": true, "scripts": {}, "checkvariablenames": false, "vsetrangepoints": 5, "answer": "y^{n-1}*z^{-2*m+k*m-1}", "marks": 1}], "steps": [{"showCorrectAnswer": true, "scripts": {}, "variableReplacementStrategy": "originalfirst", "prompt": "

Husk potensregnereglene

\n

$a^n\\cdot a^m=a^{n+m} $

\n

$\\displaystyle{\\frac{a^n}{a^m}=a^{n-m}}$

\n

$\\displaystyle{\\left(a^n\\right)^m=a^{n\\cdot m}}$

\n

Se eventuelt denne filmsnutten for hjelp:

\n

", "variableReplacements": [], "marks": 0, "type": "information"}], "stepsPenalty": 0, "prompt": "

Skriv så enkelt som mulig:

\n

$\\displaystyle{\\frac{\\left(y^\\var{n}z\\right)^{-\\var{m}}\\cdot \\left(y z^\\var{k}\\right)^\\var{m}}{\\left(y^{-\\var{n-1}}z\\right)^\\var{m+1}}} = $[[0]] 

", "variableReplacements": [], "marks": 0, "type": "gapfill"}], "name": "Morten's copy of Potenser 3", "tags": [], "type": "question", "variables": {"m": {"group": "numerical fractions", "templateType": "anything", "description": "", "name": "m", "definition": "random(2..4)"}, "b": {"group": "numerical fractions", "templateType": "anything", "description": "", "name": "b", "definition": "random(2..9)"}, "d": {"group": "numerical fractions", "templateType": "anything", "description": "", "name": "d", "definition": "random(2..5)"}, "a": {"group": "numerical fractions", "templateType": "anything", "description": "", "name": "a", "definition": "random(2..5)"}, "k": {"group": "numerical fractions", "templateType": "anything", "description": "", "name": "k", "definition": "random(2..4 except m)"}, "n": {"group": "numerical fractions", "templateType": "anything", "description": "", "name": "n", "definition": "random(2..3 except a)"}, "l": {"group": "numerical fractions", "templateType": "anything", "description": "", "name": "l", "definition": "random(2..4)"}}, "ungrouped_variables": [], "preamble": {"js": "", "css": ""}, "question_groups": [{"name": "", "pickingStrategy": "all-ordered", "pickQuestions": 0, "questions": []}], "functions": {}, "rulesets": {"": [], "std": ["all", "!collectNumbers", "fractionNumbers"]}, "contributors": [{"name": "Morten Brekke", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/478/"}]}]}], "contributors": [{"name": "Morten Brekke", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/478/"}]}