Pattern Rules From Sequences
SSAT Middle Level Quantitative · Flashcards · Application
SSAT MIDDLE LEVEL QUANTITATIVE · FLASHCARDS
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QUESTION
What is the pattern rule for the sequence
−
1
,
1
,
−
1
,
1
,
−
1
,
…
-1, 1, -1, 1, -1, \dots
−
1
,
1
,
−
1
,
1
,
−
1
,
…
?
QUESTION
What is the pattern rule for the sequence
5
,
10
,
8
,
16
,
14
,
28
,
…
5, 10, 8, 16, 14, 28, \dots
5
,
10
,
8
,
16
,
14
,
28
,
…
?
QUESTION
What is the pattern rule for the sequence
1
,
3
,
6
,
10
,
15
,
…
1, 3, 6, 10, 15, \dots
1
,
3
,
6
,
10
,
15
,
…
?
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ANSWER
Add
2
,
3
,
4
,
5
,
…
2, 3, 4, 5, \dots
2
,
3
,
4
,
5
,
…
(triangular numbers). These triangular numbers are formed by adding consecutive integers starting from
2
2
2
after the initial
1
1
1
.
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