What is the nth term formula of the sequence -7,-4,-1,2
Answer (1)
Given: a₁ = -7; d = -4-(-7) = 3Formula: aₙ = a₁ + d (n-1)→ aₙ = -7 + 3 (n-1) → aₙ = -7 + 3n - 3→ aₙ = 3n - 10∴ The nth formula is aₙ = 3n - 10
Given: a₁ = -7; d = -4-(-7) = 3Formula: aₙ = a₁ + d (n-1)→ aₙ = -7 + 3 (n-1) → aₙ = -7 + 3n - 3→ aₙ = 3n - 10∴ The nth formula is aₙ = 3n - 10
