Mathematics 0580 · IGCSE · Graphs of functions

Graphs of functions — practice question

The table lists some values of $y=x^3-2x+3$. Where needed, the values of y are shown correct to 2 decimal places.
(a)[2]

Complete the table shown.

(b)[4]

Draw the graph of $y=x^3-2x+3$ on the interval $-2\leq x\leq2$.

(c)[4]

By drawing a suitable straight line on the grid, solve the equation $x^3-2.5x+1=0$.

Worked solution & mark scheme

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