Mathematics 0580 · IGCSE · Graphs of functions

Graphs of functions — practice question

(a)[3]

Fill in the table for $y = \frac{15}{x}$.

(b)[4]

On the grid, sketch the graph of $y = \frac{15}{x}$ for $-5 \le x \le -1$ and $1 \le x \le 5$.

(c)[1]

Use your graph to solve the equation $\frac{15}{x} = 8$.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: -3, -5, -7.5, 7.5, 3.75, 3

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