Question

Write an expression to describe the sequence below. Use n to represent the position of a term in the sequence, where n = 1 for the first term. -10, -20, -30, -40, ...

Answer 1

+- 10n

Explanation:

✯Hello✯

↪ We need to work out the nth term rule

↪ We can do this by finding the differences between the numbers and using the rules

2A

3A+B

A+B+C

↪ (Sorry I cant draw a table for you)

↪ Using the rules and drawing a table we get the final answer

+- 10N

❤Gianna❤