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Find the 27th term. -21, -14, −7, 0, 7, ... 27th term = [ ? ]

2 Answers

3 votes

Answer: 7

Step-by-step explanation: number adds up by 7

User Krinklesaurus
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Answer: the term 27 ; a27=a1+(n-1)d. a27=38+(27-1)(-7)

Explanation:

Given a1=38,a17=-74. a17=a1+(n-1)d. =38+(17-1)d. -74=38+16d. -74-38=16d. -112=16d. d= -7. the term 27 ; a27=a1+(n-1)d. a27=38+(27-1)(-7).

User Bistaumanga
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