Find the missing terms in the geometric
sequence below.
__, 4, 8, 16, __, ...
Enter your answers here:
and
2
32
Right!
The student got this item correct.
0
20
Sorry, that's incorrect. The sequence is geometric, not arithmetic. It looks like you may have found the difference between the second and third terms, and used this difference to find the missing terms.
The student got this item incorrect. It is a geometric sequence, but the student may have assumed it was an arithmetic sequence.
-4
24
Sorry, that's incorrect. The sequence is geometric, not arithmetic. It looks like you may have found the difference between the third and fourth terms, and used this difference to find the missing terms.
The student got this item incorrect. It is a geometric sequence, but the student may have assumed it was an arithmetic sequence.
32
64
You are very close, but that's incorrect. Perhaps you did not read the question carefully. You need to find the first and fifth terms, not the next two terms.
The student answered the question incorrectly, but this was probably due to misreading the question, rather than a lack of understanding.
2
You found the first term correctly, but you made an error finding the fifth term.
The student answered the question incorrectly, but found one term correctly.
32
You found the fifth term correctly, but you made an error finding the first term.
The student answered the question incorrectly, but found one term correctly.
Sorry, that was incorrect.
The student got this item incorrect.
ExtendGeometric