Connect the ideas
Expand by multiplying every term in one bracket by every term in the other.
Factorise only after checking for a common factor.
The zero-product rule requires a product equal to zero.
Use the discriminant and the graph to check the number of real solutions.
Connect roots, intercepts, symmetry and the vertex rather than treating them as unrelated facts.
Choose roots or a turning point that make sense in the problem’s stated domain.
Practice tests
Complete each paper and show your working.
Quadratics and Parabolas — Practice test 1
16 questions · 49 marks · 55 minutes · By hand
Quadratics and Parabolas — Practice test 2
16 questions · 51 marks · 55 minutes · By hand
Quadratics and Parabolas — Applications test
16 questions · 60 marks · 60 minutes · Scientific calculator
