Question

What is the 5th term in the infinite aristhmetic Sequence 9,11,13??​

Answer 1

Arithmetic Sequence

An arithmetic sequence is a sequence wherein the next term is can be found by adding or subtracting a constant or fixed number in the last term called the common difference. This tells that if you subtract the two consecutive terms in the sequence, you will always get a common value.

The formula in finding the term in a

sequence is:

an = a, + (n - 1) d

where:

an = the term to find

a = the first term in the list

n = the term position

d = common difference

Solution:

Let us now find the 5th term in the

sequence 9,11,13,... by finding the common

difference first and substituting the value

in the formula.

d = 13 - 11 = 2

an = a + (n - 1) d

a5 = 9 + (5 - 1) 2

= 9 + (4) 2

= 9 + 8

= 17

Final Answer:

17

(9, 11, 13, 15, 17)

Answer 2

Answer:

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