Mathematics 0580 · IGCSE · Gradient of linear graphs

Gradient of linear graphs — practice question

(main)[3]

Show that $4y = 5x - 10$ and $5y + 4x = 35$ are perpendicular lines.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The gradient is $\dfrac{5}{4}$” …

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