Find the 11th term of the arithmetic sequence 7, 4.4, 1.8, -0.8, …

A. -33
B. -19
C. 33
D. 19

B

2 answers

not B, I mean A. -33
you were right the first time

a = 7
d = -2.6

term(11) = a+ 10d
= 7 + 10(-2.6)
= 7- 26 = -19

which is B)