Question

What is the d value of the following arithmetic sequence?
-16, -9, -2, 5, 12, 19….

Answer 1

\[a_2 - a_1 \implies -9 - (-16) = ?\]

Answer 2

so i subtract -9 from 16?

Answer 3

Yes.

Answer 4

Wait. Actually.
\[-9 - (-16) \implies -9 + 16 \implies 16 - 9 \implies ?\]

Answer 5

whats that mean ^

Answer 6

It's showing you how to simplify it. It's basically asking in the end to do 16 - 9 to get the answer.

Answer 7

okaii thank yu

Answer 8

np :)