Y1 Pure, Chapter 3:

Equations & inequalities

Y1 Pure Chp3 KO.pdf

Knowledge organiser

Edexcel AS level - P1 Ch3 - Equations _ Inequalities.pdf

Textbook chapter

Y1 Pure Chp3 Solutions.pdf

PMT solutions

Y1 Pure 3.1

Linear simultaneous equations

Elimination method - examples

Substitution method - examples

Y1 Pure 3.2

Quadratic simultaneous equations

Example - linear and quadratic

Examples - more complicated

Y1 Pure 3.3

Simultaneous equations on graphs

Y1 Pure 3.4

Linear inequalities

Intro: inequalities, set notation and interval notation

Inequality vs Set Notation vs Interval Notation

Intro: solving linear inequalities

+B5: 04-06 (examples)

Y1 Pure 3.5

Quadratic inequalities

Solving general inequalities

(the BIG IDEA)

Example 1

+B5:10-14 (examples)

Intro: discriminant inequalities

+B5:16-23

Y1 Pure 3.6

Inequalities on graphs

Solve graphically

Y1 Pure 3.7

Regions

Representing linear inequalities graphically

Representing quadratic inequalities graphically

Draw and shade a region

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