Mathematics 3DM Date: Tue, 16 June 2020 Topic: Graphs of Quadratic Functions 2 𝑦 = 𝑎𝑥 + 𝑏𝑥 + 𝑐 𝑦 = 6𝑥 − 15 𝑦 = −4𝑥 2 + 1 𝑦=7 3 𝑦 = 5𝑥 − 4𝑥 𝑎≠0 𝑦 = 9𝑥 2 − 2𝑥 𝑦 = 𝑎𝑥 2 + 𝑏𝑥 + 𝑐 determines shape of curve 𝑎>0 𝑎<0 Line of Symmetry Line of Symmetry 𝑥=2 𝑥 = −1