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Mathematics 20 Online
teressa1246:

Which of the following represent a geometric sequence? Select all that apply. 3, 7, 11, 15, 19, ... 3, 6, 12, 24, 48, ... -10, -8, -6, -4, -2, 0, 2, 4, ... 486, 162, 54, 18, 6, ... 1, 4, 9, 16, 25, 36, ... 1, 1, 2, 3, 5, 8, 13, 21, ... 1, 5, 25, 125, ... 13, 33, 53, 73, 93, ...

Narwal4u:

A geometric progression, also known as a geometric sequence, is a sequence of non-zero numbers where each term after the first is found by multiplying the previous number. If we use this we can see that if the first number is 4 lest then the less number then you would have to add 4 to each one. Answer: 1, 3, 7, 8

teressa1246:

@narwal4u wrote:
A geometric progression, also known as a geometric sequence, is a sequence of non-zero numbers where each term after the first is found by multiplying the previous number. If we use this we can see that if the first number is 4 lest then the less number then you would have to add 4 to each one. Answer: 1, 3, 7, 8
thank you

teressa1246:

so you would sub the first 2 numbers and than add it to the rest of the numbers

Narwal4u:

yeah

TutorJohnfoster:

Geometric series have a constant ratio between successive terms .In this question geometric series are : 486 ,162,54,18 ,6 ... 1,5,25,125...

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