getpumped1244 getpumped1244
  • 11-06-2021
  • Mathematics
contestada

Find the 25th term of the sequence -7,-22,-37.

Respuesta :

jimrgrant1 jimrgrant1
  • 11-06-2021

Answer:

a₂₅ = - 367

Step-by-step explanation:

There is a common difference d between consecutive terms, that is

d = - 22 - (- 7) = - 37 - (- 22) = - 15

This indicates the sequence is arithmetic with nth term

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 7 and d = - 15 , then

a₂₅ = - 7 + (24 × - 15) = - 7 - 360 = - 367

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