Unit 9: Graphs
CIMT Textbook Chapter 13
Interactive tutorials
Introduction to solving inequalities:
Representing inequalities on a graph:
Plotting quadratic graph:
*Solving quadratic inequalities* (Advanced)
*Finding perpendiculars to lines* (Advanced)
Unit 10: Algebra
CIMT Textbook Chapter 11
Interactive tutorials
Substitute into equations:
Simplify expressions:
Solving equations (x on one side):
Solving equations with x on both sides:
Solving equations with fractions:
Factorising:
Expanding single brackets and simplifying:
Expanding double brackets:
More examples for double bracket expansion:
Factorising double brackets:
Trick for factorising double brackets when x^2 is greater than 1:
