Solve for x and Find t10 | Arithmetic Sequence

In summary, an arithmetic sequence is a sequence of numbers where each term is found by adding a constant value to the previous term. To solve for x or the 10th term in an arithmetic sequence, one must use the formula a_n = a_1 + (n-1)d, with known values for a_1 and d. This can be done using a calculator and has practical applications in predicting future values and solving real-world problems.
  • #1
priscilla89
18
0

Homework Statement



For the arithmetic sequence (2 - x),
(-6 + 2x), (x + 2), solve for x and find t10.

Homework Equations



an = a1 + (n - 1) d

The Attempt at a Solution



Would I have to start off like this below:::

an = a1 + (n - 1) d

d = (-6 + 2x)-(2 - x) = (x + 2)-(-6 + 2x)
 
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  • #2
yes.
 
  • #3
Ok thanks
 

FAQ: Solve for x and Find t10 | Arithmetic Sequence

What is an arithmetic sequence?

An arithmetic sequence is a sequence of numbers in which each term is found by adding a constant value, called the common difference, to the previous term. This creates a pattern where the difference between any two consecutive terms is always the same.

How do you solve for x in an arithmetic sequence?

To solve for x in an arithmetic sequence, you need to use the formula for the nth term of the sequence, which is an = a1 + (n-1)d. Here, a1 is the first term, n is the term number, and d is the common difference. Plug in the known values and solve for x.

What is the formula for finding t10 in an arithmetic sequence?

The formula for finding the 10th term in an arithmetic sequence is a10 = a1 + (10-1)d. Substitute the known values for a1 and d, and solve for a10.

Can you use a calculator to find the 10th term in an arithmetic sequence?

Yes, you can use a calculator to find the 10th term in an arithmetic sequence by using the formula a10 = a1 + (10-1)d and inputting the known values for a1 and d.

What is the purpose of finding t10 in an arithmetic sequence?

Finding the 10th term in an arithmetic sequence can help in predicting future values in the sequence, as well as determining the pattern and common difference of the sequence. It can also be used in solving real-world problems involving constant rates of change.

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