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Chapter 12: Q 93. (page 1184)

Find the sixteenth term of a sequence where the first term is 11 and the common difference is 鈭�6.

Short Answer

Expert verified

-79

Step by step solution

01

Step 1. Given Information. 

The first term is 11 and the common difference is 鈭�6.

02

Step 2. Formula used.

Write the formula of an arithmetic sequence.

an=a1+n鈭�1d

Where a1 is the first term and d is a common difference.

03

Step 3. Find the sixteenth term.

Substitute 11 for the first term, -6 for d, and 16 for nin the above formula.

a16=11+16鈭�1鈭�6=11+15鈭�6=11鈭�90=-79

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Most popular questions from this chapter

Find the sum.

鈭�6i=1152i

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a1=9andr=2

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