leelee5381
leelee5381 leelee5381
  • 13-09-2019
  • Mathematics
contestada

an=7+(n-1)2 is the general rule for the nth term of the arithmetic sequence 7,9,11,13,15 ... true or false ?

Respuesta :

jimrgrant1 jimrgrant1
  • 13-09-2019

Answer:

True

Step-by-step explanation:

The n th term rule for an arithmetic sequence is

[tex]a_{n}[/tex] = a + (n - 1)d

where a is the first term and d the common difference

here d = 9 - 7 = 2 and a = 7, thus

[tex]a_{n}[/tex] = 7 + 2(n - 1)

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