Glossary
What are simultaneous equations?
Solving 2 x 2 simultaneous equations
1.Plotting
2.Calculation
a.Substitution
b.Elimination
Solving 3 x 3 simultaneous equations
1.Substitution
2.Elimination
Using your graphics calculator
1.Solving 2 x 2 simultaneous equations
2.Solving 3 x 3 simultaneous equations
Equations without a unique solution
2D equations where there is not a unique solution
1.Inconsistent equations
2.Dependent equations
3D equations where there is not a unique solution
1.Inconsistent equations
2.Dependent equations
Finding multiple solutions for dependent equations
3D Summary
Forming and solving simultaneous equations
1.Forming and solving 2 x 2 simultaneous equations
2.Forming and solving 3 x 3 simultaneous equations
Applications: what do I do?
Applications involving inconsistent and dependent equations
Practice tasks
Answers
Charlotte has over 10 years’ experience in teaching Mathematics, the majority of this as Assistant HOD of Mathematics and Dean of Year 9 at Darfield High School. She has also undertaken a year at St Margaret’s – a high decile, girls’ school. Here she focused on teaching the junior levels (including Year 7 and 8).
Victoria has twenty years’ experience in teaching Mathematics and has recently retired as Teacher of Mathematics and Specialist Classroom Teacher at Riccarton High School. She has received a Jim Campbell award for teaching excellence (2003) and an Ernest Duncan award in Mathematics (2007).
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