Sequences and Series
Interactive practice questions
The $n$nth term of an arithmetic progression is given by the equation $T_n=12+4\left(n-1\right)$Tn=12+4(n−1).
a
Complete the table of values.
| $n$n | $1$1 | $2$2 | $3$3 | $4$4 | $10$10 |
|---|---|---|---|---|---|
| $T_n$Tn | $\editable{}$ | $\editable{}$ | $\editable{}$ | $\editable{}$ | $\editable{}$ |
b
By how much are consecutive terms in the sequence increasing?
c
Plot the points in the table on the graph.
Loading Graph...
d
If the points on the graph were joined, they would form:
a straight line
A
a curved line
B
Easy
3min
The $n$nth term of an arithmetic progression is given by the equation $T_n=15-5\left(n-1\right)$Tn=15−5(n−1).
Easy
3min
The plotted points represent terms in an arithmetic sequence:
Easy
3min
The plotted points represent terms in an arithmetic sequence:
Easy
4min
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