No student devices needed. Know more
20 questions
What is the next term in the sequence 12, 31, 40, 49, ... ?
56
57
58
59
Given the recursive formula below, find the first five terms.
u1 = 3
un = un-1 + 2
3, 5, 7, 9, 11
5, 7, 9, 11, 13
The 6th term of the sequence 4,7,10,13 are
19
15
18
16
Given the sequence 4, 11, 18, 25...... what is a3 ?
4
11
18
25
A sequence is _______.
a set of numbers in a specific order.
a formula used to find a number.
the term after an.
a collection of data.
Which sequence has a pattern of "multiply by 4?"
2, 4, 8, 16,...
4, 12, 36, 108,...
1, 4, 7, 10,...
3, 12, 48, 192,...
Find the first four terms of the sequence.
an= 7(n + 2)
21, 28, 35, 42
7, 9, 11, 13
9, 16, 23, 30
16, 23, 30, 37
Find the first four terms of the sequence.
an= 3(4)n
12, 48, 192, 768
12, 144, 1728, 20736
12, 24, 36, 48
3, 12, 48, 192
Does this recursive routine model an increase or decrease?
U1 = 1000
Un+1 = Un*1.25
Decrease
Increase
Does this recursive routine model growth or decay, and by what percent?
100, 80, 64, 51.2, ...
Un+1 = Un* 0.8
Growth, 80%
Growth, 20%
Decay, 80%
Decay, 20%
Write the recursive formula of 13, 9, 5, 1, -3, ...
an=an-1-4
an=an-1+3
an=an-1-5
an=an-1+4
Write a recursive rule for the sequence 1, 2, 5, 14, 41, 122, …
an = (an-1)2 + 1
an = 2 an-1 - 2
an = 3 an-1 - 1
an = 3 an-1 + 1
Write an explicit rule for the sequence 2, 8, 26, 80, 242 …
an = 2n + n + 1
an = 3n - 1
an = 3n2 - 1
an = 3n + 1