Chapter 2: Expressions, equations and simultaneous equations Notes

Sections

1. 2A Expanding and simplifying expressions Mastered

   Multiplying and dividing algebraic terms, expanding brackets with positive and negative terms outside, and expanding then collecting like terms.

   Open notes
2. 2B Linear equations and ax² = c Mastered

   Solving linear equations with brackets, pronumerals on both sides and algebraic fractions, and solving quadratic equations of the form ax² = c.

   Open notes
3. 2C Inequalities and rearranging formulas Mastered

   Solving linear inequalities including reversing the sign, and changing the subject of a formula.

   Open notes
4. 2D Simultaneous equations Mastered

   Solving pairs of linear equations by graphing, substitution and elimination, and checking the solution in both equations.

   Open notes
5. 2E Solving problems with simultaneous equations Mastered

   Writing a pair of equations from a worded problem, solving, and answering in context.

   Open notes