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2.1 Change in arithmetic and geometric sequences

Interactive practice questions

Study the pattern for the following sequence, and write down the next two terms.

$-8$8, $-\frac{23}{3}$233, $-\frac{22}{3}$223, $-7$7, $\editable{}$, $\editable{}$

Medium
1min

Study the pattern for the following sequence:

$-6,-\frac{62}{9},-\frac{70}{9},-\frac{26}{3},\ldots$6,629,709,263,

Medium
< 1min

Study the pattern for the following sequence:

$280,230,180,130,\ldots$280,230,180,130,

Medium
< 1min

The $n$nth term of a sequence is defined by $T_n=4n+7$Tn=4n+7.

Medium
1min
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Outcomes

2.1.A

Express arithmetic sequences found in mathematical and contextual scenarios as functions of the whole numbers.

2.1.B

Express geometric sequences found in mathematical and contextual scenarios as functions of the whole numbers.

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