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Christian Lawson-Perfect

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10 years ago

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Christian Lawson-Perfect 10 years ago

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Christian Lawson-Perfect 11 years, 6 months ago

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Question statement

Functions

The Numbas system recognises all standard functions, but you must use brackets for the arguments of the functions e.g. sin(x) not sin x, ln(a) not ln a.

The absolute value function is input as abs(a).

The inverse trigonometric functions arcsin(x), arccos(x) and arctan(x) are all recognized, and you input them as they are written.

Here are some examples for you to try.

If you want help, press Reveal answers at the bottom of the screen to see correct inputs.

Give any introductory information the student needs.

			Name	Type	Generated Value

a	integer	3
c	integer	9
b	integer	9
d	integer	2

Automatically regenerate variables?

Name

Data type

Value

xxxxxxxxxx
 
random(2..9)

JME function reference

Description

Describe what this variable represents, and list any assumptions made about its value.

Can an exam override the value of this variable?

Generated value: `integer`

This variable doesn't seem to be used anywhere.

Parts

Part a) Gap-fill
1. Gap Gap 0. Mathematical expression
  Add
2. Gap Gap 1. Mathematical expression
  Add
Part b) Gap-fill
1. Gap Gap 0. Mathematical expression
  Add
2. Gap Gap 1. Mathematical expression
  Add
Part c) Gap-fill
1. Gap Gap 0. Mathematical expression
  Add
2. Gap Gap 1. Mathematical expression
  Add

Gap-fill

Ask the student a question, and give any hints about how they should answer this part.

Input:

$\sin(\cos(\var{a}x)+\var{b})$ : Gap 0.
$\cos(\sin(\var{b}x)+\var{a})$ : Gap 1.

Advice

Give a worked solution to the whole question.

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There was an error which means the tests can't run:

Part	Test	Passed?
Gap-fill
Gap-fill		Hasn't run yet
Mathematical expression
Mathematical expression		Hasn't run yet
Mathematical expression
Mathematical expression		Hasn't run yet
Gap-fill
Gap-fill		Hasn't run yet
Mathematical expression
Mathematical expression		Hasn't run yet
Mathematical expression
Mathematical expression		Hasn't run yet
Gap-fill
Gap-fill		Hasn't run yet
Mathematical expression
Mathematical expression		Hasn't run yet
Mathematical expression
Mathematical expression		Hasn't run yet

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Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

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Checkpoint description

Christian Lawson-Perfect 10 years ago

Christian Lawson-Perfect 11 years, 6 months ago

Functions

Error in variable testing condition

Error

Warning

Generated value: `integer`

Parts

Gap-fill

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Error

Input 6

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

Feedback

History

Comment

Checkpoint description

Christian Lawson-Perfect 10 years ago

Christian Lawson-Perfect 11 years, 6 months ago

Functions

Error in variable testing condition

Error

Warning

Generated value: integer

Parts

Gap-fill

Generated value: `integer`