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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is a? |
The first term |
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What is d? |
The common difference |
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What is the nth term? |
a+(n-1)d |
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What is one method of adding multiple terms? |
n/2 (2a+(n-1)d) |
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What is another method? |
n/2 (a+l) |
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What is l? |
The last term |
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What does sigma mean? |
The sum of |
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What is the number at the bottom of sigma? |
The first term |
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What is the number at the top of sigma? |
The final term |
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What is tn? |
The equation used to find the term |
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What is a sequence? |
Set of numbers in a given order, where each number is a "term" and with a general term ak |
In order General term |
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Recurrence formula |
Always state the first term Eg plus 3 to previous term, 5,8,11,14 |
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Arithmetic Sequences |
Increases by a constant amount each time Eg Uk+1=Uk+n |
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Number of terms in arithmetic sequence (number of jumps) |
Last term - first term ----------------------------------- +1 Difference between terms |
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Arithmetic SERIES |
Adding together terms of an arithmetic SEQUENCE |
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