Question

Enter two expressions for the next term (the sixth term) in the pattern 3, 9, 21, 27

Answer 1

If 3 is the first term in the sequence, 9=3+6 (second term), 9+6=15 (third term), and so on.

Therefore, the sixth term is

`\begin{gathered} \text{sixth term}\to3+6+6+6+6+6=3+5\cdot6=3+30=33 \\ \Rightarrow\text{sixth term}\to33 \end{gathered}`

The missing value is 5. The rest of the gaps are correct.