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Geometric Sequence

Quiz by JENNIFER YANES

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10 questions
Show answers
  • Q1
    Find the common ratio of the geometric sequence 4, 8, 16, 32, 64.
    2
    4
    6
    8
    20s
  • Q2
    What is the common ratio of the geometric sequence 36, 12, 4, 4/3, . . .?
    1/3
    2/3
    1/4
    1/2
    20s
  • Q3
    What is the 10th term of the geometric sequence 0.25, 0.5, 1, . . . ?
    16
    64
    128
    32
    120s
  • Q4
    What is the 9th term of the geometric sequence 125, 25, 5, . . .?
    1/125
    1/15,625
    1/625
    1/25
    120s
  • Q5
    The first term and common ratio of the geometric sequence are 1 and 5 respectively. Find the first five terms of the geometric sequence.
    5, 15, 25, 35, 45
    1, 5, 25, 125, 625
    5, 10, 15, 20, 25
    1, 5, 10, 15, 20
    300s
  • Q6
    The first term of a geometric sequence is 1 and the 4th term is 27. What is the 8th term?
    2,187
    243
    81
    729
    300s
  • Q7
    Find four geometric means between 5 and 1,215.
    15, 35, 65, 125
    15, 30, 60, 120
    15, 30, 45, 60
    15, 45, 135, 405
    300s
  • Q8
    A car that cost 20,000 pesos depreciated by 20% each year. Find the value of the car at the end of four years.
    18,000 pesos
    16,000 pesos
    10, 240 pesos
    12,800 pesos
    300s
  • Q9
    A group of students are participating in a Math contest. Students receive 1 point for their first correct answer, 2 points for the second correct answer, 4 points for their third correct answer, and so forth. What is the score of the student who answers 10 questions correctly?
    1021
    1020
    1023
    1022
    300s
  • Q10
    Find the sum of the first 10 terms of the geometric series 2 + 1 + 1/2 + . . .
    1123/256
    1121/256
    1003/256
    1023/256
    300s

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