Interactive practice questions
Consider the sequence represented in the table.
| $n$n | $5$5 | $6$6 | $7$7 | $8$8 | $9$9 |
|---|---|---|---|---|---|
| $x_n$xn | $-23$−23 | $-27$−27 | $-31$−31 | $-35$−35 | $-39$−39 |
a
What type of sequence is this?
Arithmetic
A
Geometric
B
b
Find the next element of the sequence.
That is, find $x_{10}$x10.
Easy
< 1min
Consider the sequence represented in the table.
Medium
1min
Consider the sequence defined by $a_0=4$a0=4 and $a_{n+1}=a_n+5$an+1=an+5 for $n\ge0$n≥0.
Medium
4min
Consider the sequence defined by $a_0=2$a0=2 and $a_{n+1}=4a_n$an+1=4an for $n\ge0$n≥0.
Easy
4min
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