Question

The first term of a sequence is 13 The term -to-term rule is take away 5 work out the 4th term

Answer 1

a₄ = - 2

Explanation:

to calculate a term in the sequence subtract 5 from the previous term

give first term a₁ = 13 , then

a₂ = a₁ - 5 = 13 - 5 = 8

a₃ = a₂ - 5 = 8 - 5 = 3

a₄ = a₃ - 5 = 3 - 5 = - 2