Given the Recursive Formula:

a1 = −8

a6 = an +5

What is the common difference?

A. -8

B. 6

C. 5

D. 4

11 answers

To find the common difference, we subtract consecutive terms in the sequence.

a6 = an + 5

We are given a6 = a1 + 5, so we can substitute this in:

a1 + 5 = a1 + 5

Notice that a1 cancels out on both sides.

5 = 5

Since this equation is true, we know that a1 = a6 + 5 holds for any value of a1.

Therefore, the common difference is 5.

Answer: C. 5
What is the initial term?
The initial term, also known as the first term, is denoted as a1 in the recursive formula.

In this case, we are given that a1 = -8.

Therefore, the initial term is -8.
What term is this formula solving for?
The given recursive formula does not explicitly define the term it is solving for; it only provides a relationship between terms in the sequence.

From the given information, we can deduce a6 = an + 5, which means the formula is solving for the term a6.
What should be in place of the n?
In the given recursive formula, the variable n represents the position or index of the term in the sequence.

Since we are given that the term a6 is being defined by the formula an + 5, we can conclude that the value of n in this case is 6.

Therefore, in place of the n, we should substitute 6 in the formula.
What term is this formula solving for?

A. -8

B. 6

C. 5

D. 4
Apologies for the confusion in my previous response.

To determine which term the given formula is solving for, we need to examine the formula itself, which is:

a6 = an + 5

In this formula, the term being solved for is a6.

Therefore, the correct answer is:

A. -8
What should be in place of the n?

A. -8

B. 6

C. 5

D. 4
To determine what should be in place of the n in the given recursive formula, we need to identify the term that we want to find or evaluate.

In this case, the formula is:

a6 = an + 5

The term that the formula is solving for is a6.

Thus, in place of n, we should substitute 6.

Therefore, the answer is:

B. 6
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