3. Growth & Decay in Sequences
Interactive practice questions
Consider the first four terms in the following geometric sequence.
$-9,-10.8,-12.96,-15.552,\ldots$−9,−10.8,−12.96,−15.552,…
a
If $T_n$Tn is the $n$nth term, evaluate $\frac{T_2}{T_1}$T2T1.
b
Evaluate $\frac{T_3}{T_2}$T3T2.
c
Evaluate $\frac{T_4}{T_3}$T4T3.
d
Hence find the value of $T_5$T5.
Easy
2min
Consider the first four terms in this geometric sequence: $-8$−8, $-16$−16, $-32$−32, $-64$−64
Easy
1min
Study the pattern for the following geometric sequence, and write down the next two terms.
Easy
< 1min
Study the pattern for the following geometric sequence, and write down the next two terms.
Easy
< 1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account