Mathematics 0580 · IGCSE · Graphs of functions

Graphs of functions — practice question

(a)[3]

Complete the value table for $y = 8x - x^2$ when $x = 0,1,2,3,4,5,6,7,8$.

(b)[4]

On the grid, sketch the graph of $y = 8x - x^2$ for $0 \leq x \leq 8$.

(c)[1]

State the equation of the symmetry line for this graph.

(d)[2]

Use the graph to solve $8x - x^2 = 10$.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: The correct figures are 7, 16, 7, 0

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