A sequence is defined recursively as follows.
What is the value of a6 ?


If a₁ = 5 and [tex]a_{n+1}=a_n-3[/tex], then
a₂ = a₁ - 3 = 5 - 3 = 2
a₃ = a₂ - 3 = 2 - 3 = -1
a₄ = a₃ - 3 = -1 - 3 = -4
a₅ = a₄ - 3 = -4 - 3 = -7
a₆ = a₅ - 3 = -7 - 3 = -10