tfwhenurastarbo tfwhenurastarbo
  • 28-05-2021
  • Mathematics
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What is the first four terms of the geometric sequence where a1=−8 and r=−2 ?
(explanations appreciated!)

What is the first four terms of the geometric sequence where a18 and r2 explanations appreciated class=

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ferrybukantoro
ferrybukantoro ferrybukantoro
  • 28-05-2021

Answer:

-8, 16, -32, 64

Step-by-step explanation:

a1 = -8

r = -2

a2 = -8(-2)=16

a3 = -8(-2)²=-8(4)=-32

a4=-8(-2)³=-8(-8)=64

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