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2. 2May2906:50p.m.y=3x(x2) y=x(x2)y=x(x2)y=(x1)(x+2)y=2(x1)(x+2) 3. 3Jun103:09p.m.Quadratic EquationsBytheendofthelesssonyouwillbeableto: Solvequadraticequationsbydifferentmethods. Anticipatethenumberofsolutionsofaquadraticequationbystudyingitsdiscriminant. 4. 4Jun103:09p.m.Quadratic equationsby factorisationusing GDCby formulaby completing the square 5. 5Jun103:09p.m.Solvetheequation: 6. 6Jun103:09p.m.Solvetheequation: 7. 7Jun103:09p.m.Solvetheequation: 8. 8Jun103:09p.m.Usethequadraticformulatosolvetheequation: 9. 9Jun103:09p.m.SimplifyandthenuseyourGDCtosolvetheequation: 10. 10Jun103:09p.m.UseyourGDCtosolvetheequations: 11. 11Jun103:12p.m.Unusual quadratic equations: 12. 12Jun103:12p.m.Unusual quadratic equations: 13. 13Jun103:12p.m.Disguised quadratic equations: 14. 14Jun103:12p.m.Unusual quadratic equations 15. 15Jun103:12p.m.Unusual quadratic equations: 16. 16Jun103:10p.m.The quantity is called thediscriminant of the quadratic equation. >0 =0 0 =0