15.1 Algebra
Adding andmultiplying15.1.1
Brackets15.1.2
Fractions15.1.3
15.2 Linear formulae/functions
Plotting agraph15.2.1
Formulateformula15.2.2
Withdraw andextrapolate15.2.4
Functions15.2.3
BDetermineparameter15.2.5
15.3 Linear equations
Balancemethod15.3.1
Equationswith fractions15.3.3
Equationswith brackets15.3.2
Intersectionpoint15.3.4
BIntersectionsand parameters15.3.5
15.4 Equation with two variables
Number pairs15.4.1
Isolating thevariable15.4.3
Plotting agraph15.4.2
BElimination15.4.6
Substitution15.4.4
+Systems withthree variables15.4.7
Systems incontext15.4.5
15.5 Linear inequalities
Graphical15.5.1
Algebraic15.5.2
Algebraicwith brackets and fractions15.5.3
Context15.5.4