Which of the following is true regarding the sequence graphed below (1,1)(2,4)(3,9)(4,16)(5,25)
2 answers:
Answer:
Step-by-step explanation:
Use the geometric sequence of numbers 1, 3, 9, 27, � to find the following:
a) What is r, the ratio between 2 consecutive terms?
Answer: r=3
Show work in this space.
r=a2/a1=a3/a2=a4/a3 they all have the same ratio.
r=3/1=9/3=27/3=3
:
b) Using the formula for the nth term of a geometric sequence, what is the 10th term?
Answer: a10=19683
Show work in this space.
an=a1*r^(n-1)
a10=1(3)^(10-1)
Answer:
The sequence is NOT arithmetic because the terms DO NOT have a common difference
Step-by-step explanation:
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