How to find the answer to an arithmetic sequence

Practice Questions

SAT Math › How to find the answer to an arithmetic sequence

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1

An arithmetic sequence begins as follows:

Give the first integer in the sequence.

2

An arithmetic sequence begins as follows:

What is the first positive number in the sequence?

3

Find the unknown term in the sequence:

4

Brad can walk 3600 feet in 10 minutes. How many yards can he walk in ten seconds?

5

An arithmetic sequence begins as follows:

Give the thirteenth term of the sequence as a fraction in lowest terms.

6

-27, -24, -21, -18…

In the sequence above, each term after the first is 3 greater than the preceding term. Which of the following could not be a value in the sequence?

7

m, 3m, 5m, ...

The first term in the above sequence is m, and each subsequent term is equal to 2m + the previous term. If m is an integer, then which of the following could NOT be the sum of the first four terms in this sequence?

8

The first term of a sequence is 1, and every term after the first term is –2 times the preceding term. How many of the first 50 terms of this sequence are less than 5?

9

The first, third, fifth and seventh terms of an arithmetic sequence are , , and . Find the equation of the sequence where corresponds to the first term.

10

The tenth term in a sequence is 40, and the twentieth term is 20. The difference between consequence terms in the sequence is constant. Find n such that the sum of the first n numbers in the sequence equals zero.

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