Concept explainers
To Write: The equation for the given sequence and to find the indicated term.
Answer to Problem 26PPS
The equation that describes the sequence is
Explanation of Solution
Given information:
Term number (n) | 1 | 2 | 3 | 4 |
Term (t) | 3 | 8 | 13 | 18 |
Calculation:
The terms have a common difference of 5. The term is 2 less than five times the term number. So the equation that describes the sequence is
Use the equation to find the 20th term. Let.
Write the equation
Substitute the value of n i.e. 20
Multiply 5 and 20 first i.e.100
Subtract 2 from 100 i.e. 98
Thus the 20th term is 98.
Chapter 8 Solutions
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