Connect the ideas
Expand to compare coefficients and read a y-intercept.
Factorise to expose roots and keep zero solutions.
Complete the square to read a vertex or solve exactly.
Use the discriminant for real-root conditions.
Choose a model form from the given information and state its domain.
Use factors, multiplicities and leading terms for polynomial sketches.
Practice tests
Complete each paper and show your working.
Quadratics and polynomial graphs — Practice 1
10 questions · 49 marks · 65 minutes · Scientific calculator
Quadratics and polynomial graphs — Practice 2
10 questions · 49 marks · 65 minutes · Scientific calculator
Quadratics and polynomial graphs — Practice 3
10 questions · 49 marks · 65 minutes · Scientific calculator
Quadratics and polynomial graphs — Practice 4
10 questions · 49 marks · 65 minutes · Scientific calculator
Quadratics and polynomial graphs — Challenge and applications
10 questions · 54 marks · 75 minutes · Scientific calculator
