Arithmetic Sequences

Question

Write the first six terms of the arithmetic sequence:

a1= 1/2, d=-1/2

Answer 1

a1 = 1/2

d = -1/2

a1, a2, a3, a4, a5, a6, ...=

1/2, 1/2-1/2, 1/2-1, 1/2-3/2, 1/2-2, 1/2-5/2,... =

1/2, 0, -1/2, -1, -3/2, -2, for the 1st 6 terms