Determination of a sequence
A sequence is given whose first three members are a1= 70, a2=64, a3=58.
1, decide whether it is an arithmetic or a geometric sequence and accordingly determine the value of d or q.
2, determine the value of the fifteenth member of the sequence.
3, determine which member of the sequence has the value -50.
4, determine how many members the sequence has in total, if the sum of its members is - 130 and the value of the last member is - 80.
Your answer:
1, decide whether it is an arithmetic or a geometric sequence and accordingly determine the value of d or q.
2, determine the value of the fifteenth member of the sequence.
3, determine which member of the sequence has the value -50.
4, determine how many members the sequence has in total, if the sum of its members is - 130 and the value of the last member is - 80.
Your answer:
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algebraarithmeticGrade of the word problem
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