No. 11 A system consisting of one linear equation and one quadratic equation appears frequently in DSE Paper 1 Section A(2) and Section B. Geometrically, solving such . . . . .
No. 12 A system consisting of one linear equation and one quadratic equation appears frequently in DSE Paper 1 Section A(2) and Section B. Geometrically, solving such . . . . .
No. 13 The solutions (roots) of a quadratic equation have a direct graphical meaning: they are the x-intercepts of the parabola . This article explores this fundament . . . . .
No. 14 The solutions (roots) of a quadratic equation have a direct graphical meaning: they are the x-intercepts of the parabola . This article explores this fundament . . . . .
No. 15 In DSE Mathematics, you are often asked to solve quadratic equations and use their roots. But what about the reverse operation — constructing a quadratic equat . . . . .
No. 16 In DSE Mathematics, you are often asked to solve quadratic equations and use their roots. But what about the reverse operation — constructing a quadratic equat . . . . .
No. 17 Beyond simply solving quadratic equations, DSE Paper 1 Section B and Paper 2 MC often require you to determine the signs of the roots (both positive, both negat . . . . .
No. 18 Beyond simply solving quadratic equations, DSE Paper 1 Section B and Paper 2 MC often require you to determine the signs of the roots (both positive, both negat . . . . .
No. 19 Word problems involving quadratic equations are a staple of DSE Paper 1 Section A(2) and B. This article focuses on three classic types: area problems, number a . . . . .