No. 1 Quadratic equations are a core topic in DSE Mathematics, appearing in both Paper 1 Section A(1) and A(2). This article covers the three essential solution metho . . . . .
No. 2 In DSE Paper 1 Section B, you will often encounter systems that combine a linear equation with a quadratic equation. Geometrically, this means finding the inter . . . . .
No. 3 Not every system of simultaneous linear equations has a unique solution. Some have no solution (parallel lines), while others have infinite solutions (coinciden . . . . .
No. 4 Simultaneous equations often contain fractions or decimals, which can make them look intimidating. However, the key is to clear the fractions or decimals first . . . . .
No. 6 In DSE Mathematics, simultaneous linear equations can be solved not only algebraically but also graphically. This article explains how to plot two straight line . . . . .
No. 7 Simultaneous equations are a pair of equations with two unknown (usually x and y) that are true at the same time. In DSE Paper 1 Section A(1) and A(2), you will . . . . .
No. 8 In DSE Paper 2, you have limited time to answer multiple-choice questions. Solving every equation step by step is often too slow. The substitution method allows . . . . .
No. 9 Many DSE questions combine linear equations with percentages and ratios. This article teaches you how to translate percentage increase/decrease, profit/loss, an . . . . .