Chapter 1
Functions
Modulus functions.
What is a modulus function
https://www.examsolutions.net/tutorials/modulus-function/?level=A-Level&board=Edexcel&module=Pure-Maths-A-Level&topic=1388
Graphing a modulus function
https://www.examsolutions.net/tutorials/graphing-yfx/?level=A-Level&board=Edexcel&module=Pure-Maths-A-Level&topic=1388
Solving modulus equations
Exam questions
https://www.examsolutions.net/tutorials/exam-questions-modulus-equations/?level=A-Level&board=Edexcel&module=Pure-Maths-A-Level&topic=1388
Modulus inequalities
https://www.examsolutions.net/tutorials/modulus-inequalities/?level=A-Level&board=Edexcel&module=Pure-Maths-A-Level&topic=1388
Exam questions on Modulus inequalities
https://www.examsolutions.net/tutorials/exam-questions-modulus-inequalities/?level=A-Level&board=Edexcel&module=Pure-Maths-A-Level&topic=1388