Here is a rule for a sequence. After the first two terms, each term is half the sum of the previous two terms
a) Here is a sequence that follows this rule.
2
22
12
Write the next three terms.
(3)
b) A different sequence follows the same rules.
The 1st term is 5
The 3rd term is 10.5
5
10.5
Fill in the value for the 2nd term.
(3)