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Complete the table of values for y=x^2-x-8 and draw the graph.

Use your graph to estimate the roots of the function to 1 d.p.

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Use your graph to estimate the roots of the function to 1 d.p.

x |
-5 | -4 | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 | 5 |

y |
22 | 12 | 12 |

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The roots of the function are -2.4 and 3.4

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Table of values for y=x^2-x-8x |
-5 | -4 | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 | 5 |

y |
22 | 12 | 4 | -2 | -6 | -8 | -8 | -6 | -2 | 4 | 12 |

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