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Math SATs- Sequences and Series
A test by
Oren Lahav
.
Test Questions
Question
Find the sum of the first 6 terms of the geometric series starting at 6 and increasing by a factor of 2 each time
Answers
Correct
Answer Text
726
762
126
600
513
Question
Find the sum of the first 9 terms of the sequence: 6, 10, 14...
Answers
Correct
Answer Text
198
202
189
168
196
Question
What type of sequence is this exactly? 3,3,3,3,3,3...
Answers
Correct
Answer Text
This is not a sequence, dude
Random
Both arithmatic and geometric
Arithmatic
Geometric
Question
Find the geometric series:
Answers
Correct
Answer Text
4, -2, 6 ,8-...
-3, 12, -48, 192...
-2, 4, -6 ,8...
5, 0, -5, 10...
3, 9, 12, 36
Question
What type of sequence is this? 5, 78, 132, 137, 400
Answers
Correct
Answer Text
Arithmetic
Harmonic
Random
Geometric, monotonic
Geometric, alternating
Question
Find the next 4 terms in this sneaky sequence: 1, 5, 4, 3, 7, 1, 10, -1, 13, -3...
Answers
Correct
Answer Text
16, -8, 19, -10
10, -5, 7, -1
15, -8, 17, -12
16, -5, 19, -7
4, 27, -8, 6
Question
Find the missing terms in the following arithmetic sequence: ?, 7,?, ?, 22, 27
Answers
Correct
Answer Text
2, 12, 17
2, 11, 19
-7, 17, 21
5, 18, 20
1, 13, 19
Question
Find the next 3 terms in the sequence: 729, -243, 81...
Answers
Correct
Answer Text
-27, 3, -1/3
-27, 9, -3
-56, 36, -21
56, 36, 21
27, -9, 3
Answer
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SAT Prep
