Find the 25th term of the sequence -1, 2, 5, 8

71

Step-by-step explanation:

This is an arithmetic sequence with n th term

= a₁ + (n - 1)d

where a₁ is the first term and d the common difference

here d = 2 - (- 1) = 5 - 2 = 8 - 5 = 3 and a₁ = - 1, so

= - 1 + (24 × 3) = - 1 + 72 = 71

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