Mbernardo123
Mbernardo123 Mbernardo123
  • 25-10-2021
  • Mathematics
contestada

Finding the nth term of this sequence: (by the way I'm learning quadratic sequences=
-2 -8 -18 -32 -50

Respuesta :

Abawiwaba
Abawiwaba Abawiwaba
  • 25-10-2021

Answer:

n^2+2n+1

Step-by-step explanation:

-2-8-18-32-50

difference=-6-10-14-18

common differences=-4-4-4-4-4

 -2-8-18-32-50

n^2=1,4,9,16,25

minus it

=-1,-4,-9,-16,-25

differences 2,5,7,9

common differences=2

2,4,6,8

so 2n+1

so the answer is n^2+2n+1

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