Concept explainers
To find: the 10th term in the series 2, 4, 7, 11, 16, … .
Answer to Problem 63STP
The 10th term of the series is 56(B).
Explanation of Solution
Given information:
Given
- 46
- 56
- 67
- 72
Calculation:
After write down given set in order to find 10th number, we need to find right pattern of given numbers.
2, 4, 7, 11, 16,...
Difference between 2 and 4 is 2
Difference between 4 and 7 is 3
Difference between 7 and 11 is 4
Difference between 11 and 16 is 5....
See every next number in set is equal to: Previous+2, 3, 4, … which gives us The general term of the sequence:
So, the 10th would be equal to
Hence, the 10th term of the series is 56.
Chapter 1 Solutions
Glencoe Algebra 2 Student Edition C2014
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