Solve for n. d = 4m +7n
2 answers:
You might be interested in
Given:
The given sequence is:
To find:
The recursive formula for , the nth term of the sequence.
Solution:
We have,
Here, the first term is 5.
The common difference is -7.
The recursive formula for the nth term of the sequence is
Where, is the common difference.
Putting in the above formula, we get
Therefore, the recursive formula for the nth term of the sequence is .
Answer: Third option.
Step-by-step explanation:
To solve this exercise it is important to remember the following:
1) By definition, equivalent expression have the same value, but they look different.
2) The multiplication of signs:
Then, given the following expression provided in the exercise:
You need to distribute the postive sign:
And finally, you must add the like terms:
As you can notice, the expression obtained matches with the expression shown in the third option.