Question

Find the 30th term in the sequence
7, 16, 25, 34, . . .
261
277
270
268

Answer 1

Take the preceding term and subtract it by the previous term, you will find a common difference.

16 - 7 =?

25-16 = ?

34- 25 =?

Answer 2

This is an arithmetic Progression that follows the format \[\large a_{n} = a_{1} +(n-1)d\]

\[\large {a_{30} = 30th\ term \\ a_{1} = 7 \\ n =30 \\ d=?}\]

Answer 3

Awesome :)

Answer 4

np