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Module 1: Arithmetic sequences

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Show that the sequence is arithmetic

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Core Mathematics - Show that the sequence is arithmetic

Show that the sequence is arithmetic

Begin by viewing the 'pizza proportions' video.

The following example outlines the process for working out whether a
sequence is arithmetic.

You and a friend frequently share a pizza for lunch. You currently owe him
a whole pizza, but if you pay for the shared pizzas you can only repay him
half a pizza each lunchtime.

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