// Numbas version: exam_results_page_options {"name": "Interval notation [a,b)", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"rulesets": {}, "variable_groups": [], "preamble": {"css": "", "js": ""}, "statement": "

Which of the following describe the interval \$[\\var{a},\\var{b})\$?

", "name": "Interval notation [a,b)", "tags": [], "functions": {}, "variablesTest": {"maxRuns": 100, "condition": ""}, "extensions": [], "advice": "

The closed (square) bracket in \$[\\var{a},\\var{b})\$ signifies that the endpoint \$\\var{a}\$ is included in the interval whereas, the open (round) bracket signifies that the endpoint \$\\var{b}\$ is not included. This is known as the half-closed interval (or half-open interval) \$[\\var{a},\\var{b})\$.

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delta

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All the real numbers between \$\\var{a}\$ and \$\\var{b}\$ inclusive (i.e. including \$\\var{a}\$ and \$\\var{b}\$).

", "

All the real numbers between \$\\var{a}\$ and \$\\var{b}\$ exclusive (i.e. excluding \$\\var{a}\$ and \$\\var{b}\$).

", "

All the real numbers between \$\\var{a}\$ and \$\\var{b}\$, including \$\\var{a}\$ but not including \$\\var{b}\$.

", "

All the real numbers between \$\\var{a}\$ and \$\\var{b}\$, including \$\\var{b}\$ but not including \$\\var{a}\$.

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Simple questions on interval notation. If you are not randomising the order of your questions please turn on randomise choices in these questions.

"}, "type": "question", "contributors": [{"name": "Ben Brawn", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/605/"}]}]}], "contributors": [{"name": "Ben Brawn", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/605/"}]}