The first term of a geometric sequence is 3. The common ratio is -2. List the first four terms.
DP1.2 - Sequences and Series - Test n°1

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Dany MULLER
FREE Resource
13 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
2.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
The first term of an arithmetic sequence is 2. The common difference is 5. Find the simplified explicit formula for the nth term. (i.e., un = __________)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
53.07
48.6
26.07
1.8
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Evaluate the sum shown here.
49
98
140
203
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the common difference inthe sequence -7, -5, -3, -1, … ?
1/2
-1/2
2
-2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The next term of the sequence 2,4,8,16 is
64
32
108
20
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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