Sequences Practice
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Last updated over 5 years ago
10 questions
1
What is the common ratio in the geometric sequence that starts with 81, 54, 36, . . . ?
What is the common ratio in the geometric sequence that starts with 81, 54, 36, . . . ?
1
What is the 5th term in the sequence described by un = un - 1+ 4, where u1 = -3?
What is the 5th term in the sequence described by un = un - 1+ 4, where u1 = -3?
1
Which of the following are correct about the sequence and rule in #2?
Which of the following are correct about the sequence and rule in #2?
1
An arithmetic sequence has u5 = 12 and u8 = -9. What is the common difference?
An arithmetic sequence has u5 = 12 and u8 = -9. What is the common difference?
1
A geometric sequence has the following consecutive terms: 8, p, 50. What two values could p equal?
A geometric sequence has the following consecutive terms: 8, p, 50. What two values could p equal?
1
Given an arithmetric sequence with u4 = 84 and u9 = 239, find u1.
Given an arithmetric sequence with u4 = 84 and u9 = 239, find u1.
1
A sequence has a rule of un = 7(2)n - 1. Which of the following are correct?
A sequence has a rule of un = 7(2)n - 1. Which of the following are correct?
1
Using the rule in #7, what is u6? Enter the value only.
Using the rule in #7, what is u6? Enter the value only.
1
In geometric sequences, the terms are always increasing.
In geometric sequences, the terms are always increasing.
1
In a theater, the first row contains 14 seats, the second row contains 16, the third row contains 18, and so on. How many seats are in the 10th row?
In a theater, the first row contains 14 seats, the second row contains 16, the third row contains 18, and so on. How many seats are in the 10th row?