Quadratic Factorisation and hints

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Owen Jepps

History

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Owen Jepps 7 years, 2 months ago

Created this as a copy of Quadratic Factorisation.

Name	Status	Author	Last Modified
Completing the square	draft	Newcastle University Mathematics and Statistics	20/11/2019 14:50
Algebra: Completing the square	draft	Lovkush Agarwal	17/10/2019 17:07
Algebra: Factorising quadratics	draft	Lovkush Agarwal	23/09/2019 13:52
Algebra: Solving quadratics by factorising	Ready to use	Lovkush Agarwal	07/04/2020 10:19
Algebra: Solving quadratics by completing the square	Ready to use	Lovkush Agarwal	07/04/2020 09:59
Quadratic Factorisation	draft	Gareth Woods	14/06/2017 16:28
Harry's copy of Solving quadratics by factorising	draft	Harry Flynn	07/07/2017 09:24
Solving quadratics by factorising - AMRC	draft	Ian Loasby	24/07/2017 16:26
Katherine's copy of Solving quadratics by factorising	draft	Katherine Tomlinson	17/08/2017 16:51
Solving Equations with Hidden Quadratics	draft	Katherine Tomlinson	17/08/2017 16:33
Algebra: Quadratics, multiplying out brackets	draft	Lovkush Agarwal	20/06/2018 13:48
Factorising quadratics	draft	Owen Jepps	11/01/2018 01:23
Quadratic Factorisation and hints	draft	Owen Jepps	11/01/2018 01:30
Edward's copy of Factorising quadratics	draft	Edward Hall	12/03/2018 20:42
rema's copy of Algebra: Factorising quadratics	draft	rema Nath	28/06/2018 01:12
grant's copy of Algebra: Solving quadratics by factorising	draft	grant smith	28/06/2018 01:10
grant's copy of Algebra: Solving quadratics by completing the square	draft	grant smith	28/06/2018 01:23
rema's copy of Algebra: Factorising quadratics	draft	rema Nath	28/06/2018 01:18
Algebra: Factorising quadratics	draft	emma rand	27/07/2018 15:59
Algebra: Solving quadratics by completing the square. shorter	draft	Lovkush Agarwal	12/12/2018 12:39
Algebra: Solving quadratics by factorising. shorter	draft	Lovkush Agarwal	04/12/2019 11:43
Basic Algebraic Manipulation: Completing the square	draft	Benjamin Bui	17/01/2019 05:29
Gizem's copy of Algebra: Solving quadratics by completing the square. shorter	draft	Gizem Intepe	02/03/2019 06:07
what the heck 2	draft	John Wick	30/05/2019 11:58
John's copy of Algebra: Solving quadratics by factorising. shorter	draft	John Wick	28/03/2020 19:13
Musa's copy of 3 Solving quadratics by completing the square	draft	Musa Mammadov	27/06/2023 01:27
Solving quadratics - factorisation	Ready to use	Shaheen Charlwood	27/10/2022 18:50
Ugur's copy of Algebra: Solving quadratics by factorising	Ready to use	Ugur Efem	08/11/2021 16:44
Ugur's copy of Ugur's copy of Algebra: Solving quadratics by factorising	Ready to use	Ugur Efem	03/05/2022 11:33

There are 42 other versions that do you not have access to.

Question statement

Factorise the following quadratics into the form (ax+b)(cx+d). Ensure that you always write out two pairs of brackets.

Give any introductory information the student needs.

			Name	Type	Generated Value

a	vector	vector(1,4,1,1,4)
b	vector	vector(5,4,-2,-4,3)
c	vector	vector(1,1,1,1,1)
d	vector	vector(2,2,2,-3,3)
solmax	vector	vector(-2,-1,2,4,-0.75)
solmin	vector	vector(-5,-2,-2,3,-3)

Automatically regenerate variables?

Name

Data type

Value

xxxxxxxxxx
 
vector([1]+[random(2..4)]+[1]+[1]+[random(3..4)])

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: `vector`

vector(1,4,1,1,4)

→ Used by:

solmax
solmin

"Part a)" - prompt
"Part a)" → "Unnamed gap" - Correct answer
"Part b)" - prompt
"Part b)" → "Unnamed gap" - Correct answer
"Part c)" - prompt
"Part c)" → "Unnamed gap" - Correct answer

Parts

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

Gap-fill

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

Factorise $\simplify{{a[0]*c[0]}x^2+{a[0]*d[0]+b[0]*c[0]}x+ {b[0]*d[0]}}$ . 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
Gap-fill
Gap-fill		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

This question is not used in any exams.

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Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

History

Comment

Checkpoint description

Owen Jepps 7 years, 2 months ago

Error in variable testing condition

Error

Warning

Generated value: `vector`

Parts

Gap-fill

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Error

Quadratic Factorisation and hints

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

History

Comment

Checkpoint description

Owen Jepps 7 years, 2 months ago

Error in variable testing condition

Error

Warning

Generated value: vector

Parts

Gap-fill

Generated value: `vector`