edzava92911
edzava92911 edzava92911
  • 22-06-2021
  • Mathematics
contestada

A sequence has a second term of 1 and a common difference of -3.

The fifth term of the sequence is _____.

A)-11
B)-8
C)-5
D)10

Respuesta :

mason0101 mason0101
  • 22-06-2021
The Answer is B

1-3=-2. Third term
-2-3=-5. Fourth term
-5-3=-8. Fifth term
Answer Link
raghavdev159
raghavdev159 raghavdev159
  • 22-06-2021

Answer:

B

Step-by-step explanation:

firstly as we know that,

nth term of an A.P. is n= a1 + (n-1)d

here d is -3 so, A1 = 1-(-3) = 4

so, 5th term = 4 + ( 5-1)( -3) = 4 + 4(-3) = 4 - 12 = -8

so the answer is -8 which is option B.

Hope this answer helps. I got a little help from my tutors on Gauthmath app which is really good. you can check it out too. :)

Answer Link

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