3 years ago

Find the 50th term of the sequence 5,-2,-9,-16 ,,,

1 answer:

7 0

Common difference is -2-5 = -7
first term is 5

a_50 = 5 -7(50-1) = -338

2) d = 3 - (-7) = 10
a = -7

a_110 = -7 + 10(110 - 1) = 1083

d = -27 - (-22) = -5

second -7 - 5= -12
third = -12 - 5 = -17

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