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Try to answer the following questions here:

  • What is this question used for?
  • What does this question assess?
  • What does the student have to do?
  • How is the question randomised?
  • Are there any implementation details that editors should be aware of?

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Checkpoint description

Describe what's changed since the last checkpoint.

Jos Klenner was given access to the Ecuación de cuarto grado reducible a Cuadrática 6 years, 10 months ago

Patricio Ramirez 6 years, 10 months ago

Created this as a copy of Ecuación Radical reducible a Cuadrática .
Name Status Author Last Modified
Simultaneous linear equations (variables) Ready to use Bill Foster 01/06/2016 09:47
Jessica's copy of Simultaneous linear equations (variables) Ready to use Jessica Ryan 01/06/2016 09:47
Lois's copy of Simultaneous linear equations (variables) Ready to use Lois Rollings 20/09/2016 12:50
José's copy of Lois's copy of Simultaneous linear equations (variables) Ready to use Jos Klenner 02/12/2020 15:42
Systems of linear equations in 2 variables draft Vicky Hall 06/02/2018 16:00
Simultaneous linear equations (variables) draft steve kilgallon 05/09/2016 11:50
John's copy of Simultaneous linear equations (variables) draft John Bridges 05/09/2016 13:02
Mock exam Simultaneous linear equations (variables) draft steve kilgallon 27/10/2016 19:36
Simultaneous equations (2) draft Hannah Bartholomew 15/09/2017 15:26
Denis's copy of Simultaneous equations (2) draft Denis Flynn 11/02/2021 12:04
Gareth's copy of Denis's copy of Simultaneous equations (2) draft Gareth Woods 16/03/2017 12:54
Simultaneous Equations draft Gareth Woods 04/07/2018 11:13
Gareth's copy of Gareth's copy of Gareth's copy of Denis's copy of Simultaneous equations (2) draft Gareth Woods 16/03/2017 12:54
Ian's copy of Simultaneous linear equations (variables) draft Ian Loasby 21/07/2017 13:14
Ioannis's copy of Lois's copy of Simultaneous linear equations (variables) Needs to be tested Ioannis Lignos 28/10/2018 19:30
Sistema de Ecuaciones (2x2) (2) draft Patricio Ramirez 14/01/2018 05:55
Sistema de Ecuaciones no Lineal (3) draft Patricio Ramirez 14/01/2018 06:05
Sistema de Ecuaciones no Lineal (4) draft Patricio Ramirez 14/01/2018 06:09
Sistema de Ecuaciones (2x2) (1) draft Patricio Ramirez 14/01/2018 05:54
Ecuación Radical reducible a Cuadrática draft Patricio Ramirez 02/12/2020 15:42
Ecuación de cuarto grado reducible a Cuadrática draft Patricio Ramirez 02/12/2020 15:42
Razones draft Patricio Ramirez 15/01/2018 06:00
proporcionalidad Inversa draft Patricio Ramirez 15/01/2018 06:54
proporcionalidad directa draft Patricio Ramirez 15/01/2018 05:51
Ecuación Radical reducible a Cuadrática .jk draft Jos Klenner 02/12/2020 15:42
Ecuación de cuarto grado reducible a Cuadrática.jk draft Jos Klenner 02/12/2020 15:42
Sistema de Ecuaciones no Lineal (4).jk draft Jos Klenner 15/01/2018 15:11
Sistema de Ecuaciones (2x2) (1).jk draft Jos Klenner 15/01/2018 15:12
Sistema de Ecuaciones no Lineal (3).jk draft Jos Klenner 15/01/2018 15:14
Sistema de Ecuaciones (2x2) (2).jk draft Jos Klenner 15/01/2018 15:16
Diagnostic Test - Simultaneous Equations draft Gareth Woods 04/07/2018 15:26
Simon's copy of Simultaneous linear equations (variables) draft Simon Thomas 21/03/2019 15:26
Third Form 2018 Question 15 (Essay) Ready to use sean hunte 08/05/2019 02:44
linear equations in 2 variables draft Thomas Waters 11/09/2019 21:43
Linear equations in 2 variables draft Thomas Waters 11/09/2019 22:26

There are 26 other versions that do you not have access to.

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Name Type Generated Value

Error in variable testing condition

There's an error in the variable testing condition. Variable values can't be generated until it's fixed.

Error:

for seconds

Running for ...

No variables have been defined in this question.

This variable was automatically created because there's a reference to it somewhere in this question.

Error

Warning

  • When applying the function,
    Suggestions
    • Change the signature of parameter from to .

This variable is an interactive HTML node. Interactive HTML nodes can not be relied upon to work correctly when resuming a session - for example, attached event callbacks will be lost, and mathematical notation will likely also break.

If this causes problems, try to create HTML nodes where you use them in content areas, instead of storing them in variables.

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

Generated value:

:
← Depends on:
→ Used by:

This variable doesn't seem to be used anywhere.

Help with explore mode

(sum of objective limits)

Objectives

Name Limit

Penalties

Name Limit

No parts have been defined in this question.

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The student will not be able to enter an answer to this gap.

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

The correct answer is an equation. Use the accuracy tab to generate variable values satisfying this equation so it can be marked accurately.


Advanced settings


Checking accuracy

Define the range of points over which the student's answer will be compared with the correct answer, and the method used to compare them.

Variable value generators

Give expressions which produce values for each of the variables in the expected answer. Leave blank to pick a random value from the range defined above, following the inferred type of the variable.

(this might be a )

Pattern restriction


Variables


String restrictions

(no maximum)

Advanced settings


(The midpoint of the minimum and maximum accepted values)


Advanced settings



Advanced settings


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(no maximum)

Advanced settings


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(no maximum)

For each choice, specify the number of marks to add or subtract when the student picks it.

For each choice, write 1 if the student should tick it, or 0 if they should leave it unticked.

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(no maximum)

Advanced settings


(no maximum)

You must set a maximum number of marks in order to use this marking method.

For each combination of answer and choice, specify the number of marks to add or subtract when the student picks it.

For each combination of answer and choice, write 1 if the student should tick it, or 0 if they should leave it unticked.

Both choices and answers must be defined for this part.

Advanced settings


(Same as correct answer)
(Same as correct answer)
(No limit)
(No limit)
(No limit)
(No limit)



Help with this part type



Base marking algorithm

                
Custom marking algorithm

Test that the marking algorithm works

Check that the marking algorithm works with different sets of variables and student answers using the interface below.

Create unit tests to save expected results and to document how the algorithm should work.

There's an error which means the marking algorithm can't run:


            
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This is an extension type part. There is no expected answer, and it's assumed that the marking depends on interactions within the part's prompt.

You can test this part's marking algorithm by interacting with the rendering of the part's prompt below.

Your answer is being marked.
Gap Expected answer Student's answer
Feedback

Score:

Question variables

These variables are available within the marking algorithm.

Name Value

Marking parameters

These values are available as extra variables in the marking algorithm.

Name Value

Part settings

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Name Value

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Warnings:

Alternative used:

These are the notes produced by this part's marking algorithm.

Note Value Feedback

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Unit tests

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The following tests check that the question is behaving as desired.

This test has not been run yet This test produces the expected output This test does not produce the expected output

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Note Value Feedback
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Expected:
Messages

A difference in feedback messages does not cause this test to fail.

No feedback messages.

Warnings

A difference in warnings does not cause this test to fail.

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This test has not yet been run.

When you need to change the way this part works beyond the available options, you can write JavaScript code to be executed at the times described below.

Run this script the built-in script.

This script runs after the built-in script.

To account for errors made by the student in earlier calculations, replace question variables with answers to earlier parts.

In order to create a variable replacement, you must define at least one variable and one other part.

Variable Answer to use Must be answered?

The variable replacements you've chosen will cause the following variables to be regenerated each time the student submits an answer to this part:

These variables have some random elements, which means they're not guaranteed to have the same value each time the student submits an answer. You should define new variables to store the random elements, so that they remain the same each time this part is marked.

More information about this problem

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    Variable Value

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by
More information

Give a worked solution to the whole question.

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Define rulesets for simplification and display of mathematical expressions.

Functions

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of
Output type

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Names Value LaTeX

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