An arithmetic sequence follows the formula .
The first term is [Select ]
The common difference is [Select ]

Question

An arithmetic sequence follows the formula $$ a_{n}=8.4+3.2 n $$. The first term is [Select ] The common difference is [Select ]

UpStudy AI · Accepted Answer

In the arithmetic sequence given by the formula $$ a_{n} = 8.4 + 3.2n $$, we can identify the first term and the common difference as follows:

1. **First Term ($$ a_1 $$)**:
   - To find the first term, substitute $$ n = 1 $$ into the formula:
     $$
     a_1 = 8.4 + 3.2(1) = 8.4 + 3.2 = 11.6
     $$
   
2. **Common Difference ($$ d $$)**:
   - The coefficient of $$ n $$ in the formula represents the common difference. Therefore:
     $$
     d = 3.2
     $$

**Summary**:
- **First term**: $$ 11.6 $$
- **Common difference**: $$ 3.2 $$
The first term is 11.6 and the common difference is 3.2.

An arithmetic sequence follows the formula .
The first term is [Select ]
The common difference is [Select ]

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An arithmetic sequence follows the formula . The first term is [Select ] The common difference is [Select ]

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Latest Arithmetic Questions

An arithmetic sequence follows the formula .
The first term is [Select ]
The common difference is [Select ]