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
Complete the sequences with the given conditions below.
Easy
1min
Consider the recurrence relation $u_{n+2}=u_{n+1}+u_n$un+2=un+1+un.
Complete the table for the first $10$10 terms in the sequence when $u_1=1$u1=1 and $u_2=1$u2=1.
Medium
2min
Consider the sequence defined by $a_0=3$a0=3 and $a_{n+1}=a_n-6$an+1=an−6 for $n\ge0$n≥0.
Easy
4min
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