13. -5, -3, -1, 1, ... Type of Sequence: General Form:

For the sequence defined by: a₁ = 8 an = Find: 3 an-1 2 a₂ = 0 -1.625 Round your answer to 3 decimal places as needed. a3 = 0 -3.846 Round your answer to 3 decimal places as needed, but do not use the rounded answer for the previous term in your calculation. a4 = -2.78 Round your answer to 3 decimal places as needed, but do not use the rounded answer for the previous term in your calculation.

Find the 1st five terms of the geometric sequences where a1=3 and r=-2.