Glossary
Straight lines
The gradient of a line
Finding the equations of a straight line
1 Using the gradient and the y-intercept
2 Using the gradient and one point
3 Using two points
4 From practical information
Putting it all together
Recognising graphs and curves
Parabolas
Parabolas – matching equations with graphs
Circles
Circles – matching equations with graphs
Hyperbolas
Hyperbolas – matching equations with graphs
Mixing it up
Quadratic expressions
Expanding
Factorising quadratics
1 Where the coefficient of x2 is 1
2 Where the coefficient of x2 is not 1 and there is a common factor
3 Where the coefficient of x2 is not 1 and there is no common factor
Solving quadratic equations
1 By factorising
2 Using the quadratic formula
3 Using a calculator
Finding how many solutions exist
Simultaneous equations
Line and parabola
Line and circle
Line and hyperbola
Finding unknown values, given the number of solutions
Mixing it up, with applications
Practice tasks
Answers
Charlotte Walker BEd, GradDipTchLn, MHealSc.Charlotte has over 10 years' experience in teaching Mathematics.
Victoria Walker BSc (Hons), GradDipTchLn. Victoria has twenty years' experience in teaching Mathematics. She has received a Jim Campbell award for teaching excellence (2003) and an Ernest Duncan award in Mathematics (2007).
New, fresh content - right up to date!
Cost effective write-on workbooks for individual standards allows for flexibility in course design.
Rigorous trialling of both text and answers.
Clearly modelled worked examples.
Plenty of practice opportunities.
A high standard of design and production – the clean design allows for plenty of open space and text.
Talented mother-daughter team with many years of combined teaching experience in New Zealand schools.