ariannawilson23
ariannawilson23 ariannawilson23
  • 13-05-2016
  • Mathematics
contestada

What is the seventh term of the sequence whose nth term is (n + 1)(n − 2)?



A.) 28

B.)35

C.) 36

D.) 40

Respuesta :

ZackFry
ZackFry ZackFry
  • 15-05-2016
To do this, you simply substitute 7 into the equation. 

[(7) + 1][(7) − 2]
BODMAS tell us that we should do the sum in the brackets before anything else. 
(8)(5)
8 X 5 = 40

The seventh term is 40. The answer is D)
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