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Geometric Sequence

Quiz by MARIA VICTORIA GOLOSINO - ALLINGAG

Grade 10
Mathematics
Philippines Curriculum: Grades K-10 (MELC)

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10 questions
Show answers
  • Q1

    Tell whether the following sequence is geometric or not. If geometric, find r.                       4, 8, 16, 32, … 

    Not Geometric

    Geometric, r=-2

    Geometric, r= 1/2

    Geometric, r=2

    15s
  • Q2

    Tell whether the following sequence is geometric or not. If geometric, find r.            135, 45, 15, 5,… 

    Geometric, r = 3

    Not Geometric

    Geometric, r = 1/3

    Geometric, r = -3

    15s
  • Q3

    Tell whether the following sequence is geometric or not. If geometric, find r.             1, -3, 9, -27, 81, …

    Geometric, r = -3

    Geometric, r = 3

    Not Geometric

    Geometric, r = 1/3

    15s
  • Q4

    Tell whether the following sequence is geometric or not. If geometric, find r.                              1/3  ,  2/3  ,  3/3  ,  4/3  ,  5/3 , …

    Not Geometric

    Geometric, r = 2

    Geometric, r = 3/2

    Geometric, r = 4/3

    15s
  • Q5

    Tell whether the following sequence is geometric or not. If geometric, find r.           -1   ,    -1/2    ,    -1/4    ,  -1/ 8  ,   -1/16    ,    …

    Not Geometric

    Geometric, r = 2

    Geometric, r =  - 1/2

    Geometric, r = 1/2

    15s
  • Q6

    Solve for r and find the missing terms in 3, 12, 48, ___, ___   

    r=-4 and the missing terms: -192, -768

    r=4 and the missing terms: 192, 768

    r= 1/4 and the missing terms: 192, 768

    r= -1/4 and the missing terms: -192, -768

    15s
  • Q7

    Solve for r and find the missing terms in  ___, ___, 32, 64, 128, ...

    r=2,   missing terms: -8, -16

    r=2,   missing terms: 8,16

    r=-2,   missing terms: 8,16

    r=-2,   missing terms: 8,16

    15s
  • Q8

    Solve for r to find the missing terms in 120, 60, 30, ___, ___, ___

    r=-1/2, missing terms: -15,   15/2,  -15/4

    r=1/2, missing terms: -15,   15/2,  -15/4

    r=1/2, missing terms: 15,   15/2,  15/4

    r=-1/2, missing terms: 15,   15/2,  15/4

    15s
  • Q9

    Solve for r to find the missing terms in 5, ___, 20, -40, ___, ___ 

    r=-2, missing terms:  -10,             ,-80, -160

    r=2, missing terms:  -10,             ,80, -160

    r=2, missing terms:  10,             ,80, 160

    r=-2, missing terms:  -10,             ,80, -160

    15s
  • Q10

    Solve for r to find the missing terms in  5x2,___,  5x6   , 5x8, ___, ...

    r=x2   , missing terms: 5x4,                  , 5x10       

    r=x2   , missing terms: 10x4,                  , 10x10       

    r=5x2   , missing terms: 5x4,                  , 5x10       

    r=5x2   , missing terms: 10x4,                  , 10x10       

    15s

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