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Chapter 11: Q3. (page 580)

Write an arithmetic sequence with common difference -5.

Short Answer

Expert verified

An arithmetic sequence with common difference -5 is20, 15, 10, 5 鈥�..

Step by step solution

01

Step 1. Given Information.

Given the common difference of an arithmetic sequence is -5.

02

Step 2. Calculation.

Let the first term be a1=20

The common difference is d=鈭�5

So,

The second term of the arithmetic sequence is 20鈭�5=15

The third term of the arithmetic sequence is 15鈭�5=10

The fourth term of the arithmetic sequence is 10鈭�5=5

03

Step 3. Conclusion.

Hence, the arithmetic sequence with common difference -5 is 20, 15, 10, 5, 鈥�.

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Most popular questions from this chapter

Find the indicated term of each arithmetic sequence.

a1=鈭�4,d=鈭�9,n=20

The numbers x, y and z are the first three terms of an arithmetic sequence. Express z in terms of x and y.

What number follows 20 in this arithmetic sequence?

8, 11, 14, 17, 20, 鈥�

A) 5

B) 23

C) 26

D) 29

Write an equation for the nth term of each arithmetic sequence.

18, 11, 4, -3, ... .

Refer to the first three arrays of numbers below.

Is 397 a number in this pattern? Explain.
See all solutions

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