Factorising a difference of two squares

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Ben Brawn

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Ben Brawn

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9 years, 1 month ago

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Ben Brawn 9 years, 1 month ago

Gave some feedback: Ready to use

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Ben Brawn 9 years, 6 months ago

Saved a checkpoint:

sometimes has an error to do with the gcd? Not sure why/how. Slso don't know how to ensure a variable is not equal to another that is in a list.

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Ben Brawn 9 years, 6 months ago

Created this.

Name	Status	Author	Last Modified
Factorising a difference of two squares	Ready to use	Ben Brawn	02/06/2016 06:48
Factorising a perfect square	Ready to use	Ben Brawn	09/10/2023 03:18
Factorising a non-monic quadratic	Ready to use	Ben Brawn	09/10/2023 03:18
Factorising a monic quadratic	Ready to use	Ben Brawn	26/03/2025 02:07
Expanding a binomial product (monic factors)	Ready to use	Ben Brawn	25/03/2025 22:14
Expanding a binomial product (difference of two squares, perfect squares)	Ready to use	Ben Brawn	25/03/2025 22:46
Expanding a binomial product (non-monic factors)	Ready to use	Ben Brawn	25/03/2025 22:13
Solving a monic quadratic by factorising	Ready to use	Ben Brawn	21/03/2025 04:21
Solving a difference of two squares by factorising	Ready to use	Ben Brawn	02/06/2016 06:49
Solving a perfect square by factorising	Ready to use	Ben Brawn	05/02/2025 01:18
Solving a non-monic quadratic by factorising	Ready to use	Ben Brawn	02/06/2016 06:49
Heidi's copy of Expanding a binomial product (monic factors)	draft	Heidi Steele	06/09/2017 14:51
Ida's copy of Expanding a binomial product (difference of two squares, perfect squares)	draft	Ida Landgärds	13/04/2018 09:50
spørsmål 5	draft	Ida Landgärds	02/12/2020 15:42
Clare's copy of Solving a non-monic quadratic by factorising	draft	Clare Lundon	19/08/2018 09:09
Clare's copy of Factorising a monic quadratic	draft	Clare Lundon	19/08/2018 09:12
binomial product	Ready to use	heike hoffmann	14/11/2018 22:58
Terry's copy of Expanding a binomial product (monic factors)	draft	Terry Young	03/04/2019 17:30
Terry's copy of Solving a difference of two squares by factorising	draft	Terry Young	03/04/2019 17:38
Terry's copy of Solving a non-monic quadratic by factorising	draft	Terry Young	03/04/2019 17:39
Terry's copy of Solving a perfect square by factorising	draft	Terry Young	03/04/2019 17:39
Terry's copy of Expanding a binomial product (non-monic factors)	draft	Terry Young	03/04/2019 17:40
Verschil van twee kwadraten ontbinden ( of eerst vooropzetten)	draft	Johan Maertens	09/05/2019 12:48
Ontbinden van merkwaardige drieterm	draft	Johan Maertens	09/05/2019 12:55
binomial product	draft	Xiaodan Leng	10/07/2019 23:06
Expanding a binomial product (monic factors)	draft	Xiaodan Leng	10/07/2019 23:27

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Question statement

Factorise the following into linear factors. That is, write the quadratic as a product of terms that look like $ax+b$ where $a$ and $b$ are real numbers.

Give any introductory information the student needs.

			Name	Type	Generated Value

a	integer	6
b	integer	7
bb	number	49
aa	number	36
g	number	1
gg	number	1
c	list	[ 2, 5, 3, 10 ]

Automatically regenerate variables?

Name

Data type

Value

xxxxxxxxxx
 
random(1..12)

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 Mathematical expression
  Add
1. Step Information only
Part b) Gap-fill
1. Gap Mathematical expression
  Add
1. Step Information only

Gap-fill

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

$\simplify{{aa}x^2-{bb}}$ = Unnamed gap.

Advice

Give a worked solution to the whole question.

Use this tab to check that this question works as expected.

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
Information only
Gap-fill
Gap-fill		Hasn't run yet
Mathematical expression
Mathematical expression		Hasn't run yet
Information only

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Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

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Checkpoint description

Ben Brawn 9 years, 1 month ago

Ben Brawn 9 years, 6 months ago

Ben Brawn 9 years, 6 months ago

Error in variable testing condition

Error

Warning

Generated value: `integer`

Parts

Gap-fill

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Error

Factorising a difference of two squares

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

Feedback

History

Comment

Checkpoint description

Ben Brawn 9 years, 1 month ago

Ben Brawn 9 years, 6 months ago

Ben Brawn 9 years, 6 months ago

Error in variable testing condition

Error

Warning

Generated value: integer

Parts

Gap-fill

Generated value: `integer`