Mathematics 0580 · IGCSE · Equations

Equations — practice question

(a)[3]

Set up and solve an equation to determine the cost of one shirt.

(b)[5]

Solve the simultaneous equations. You must show all your working: $x^2 + 4y = 37$ and $5x + y = -8$.

(c)[4]

Show that $r^2 = \frac{7}{2}x^2$.

Worked solution & mark scheme

This 12-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Accurate linear equation setup” …