Answer
The first six terms are:
$-0.4, -2.0, -3.6, -5.2, -6.8, -8.4$
Work Step by Step
The next five terms f the sequence can be found by adding the common difference to obtain:
$a_1=-0.4
\\a_2=-0.4+(-1.6) = -2.0
\\a_3 = -2.0+(-1.6) = -3.6
\\a_4 = -3.6+(-1.6) = -5.2
\\a_5 = -5.2 + (-1.6) = -6.8
\\a_6 = -6.8 + (-1.6) = -8.4$
