Please help me with the question on the image please! NEED IT ASAP for my homework!! If you answer right Ill mark you BRAINLIEST!
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Answer:
a(1) = 7
a(n) = a(n-1)×(-2)
Step-by-step explanation:
a(1) = 7 (the first term)
Let r be the common ratio:
r = -14/7 = -2
a(n) = a(n-1)×r
a(n) = a(n-1)×(-2)