Question

13) consider the arithmetic sequence 5, 8, 11,.
a) what is its algebraic Form?​

Answer 1

Answer:

The nth term of an arithmetic sequence is given by:

a

+

(

n

−

1

)

d

Where

a

is the first term,

d

is the common difference and

n

is the nth term.

We have:

a

=

5

looking at the second element, we have:

5

+

(

2

−

1

)

d

=

8

5

+

d

=

8

⇒

d

=

3