Descending arithmetic sequences

Maths

What do we mean if we describe a sequence as "descending"?

Which of the following is an example of a descending sequence?

What is the nth term of 10, 8, 6, 4, 2, ...?

What is the nth term of -4, -7, -10, -13, ...?

Find the first 5 terms of the sequence -5n + 2.

Which column has the position-to-term rule 4n + 1?

Which column has the position-to-term rule 4n - 1?

Work out the position-to term-rules for column a.

Work out the position-to term-rules for column b.

Work out position-to-term rules for the sequence 3, 7, 11, 15, 19, ...