Key facts and Formulas
Solving a quadratic equation by factorising and linking graphically key facts and formulas for GCSE higher in under 60 seconds
Solving by completing the square video 1 positive coefficient x^2 & graphically shows stationary points key facts in under 60 seconds
Solving by completing the square video 2 negative coefficient x^2 & graphically shows stationary points key facts in under 60 seconds
Sketching a quadratic graph key facts and formulas in under 60 seconds
Linking solving quadratic equations
Solving a quadratic equation using a variety of methods OCR Nov 2021 paper 6 higher question 16b
Solving by completing the square
Solving by completing the square OCR June 2022 paper 6 higher question 19b