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Sequences

Quiz by Rosemarie Johnson

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Q 1/9
Score 0
What is the 10th term for a(n)=2n+5
29
52
2n+5
25
10

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9 questions

Show answers

Q1
What is the 10th term for a(n)=2n+5
52
2n+5
25
10
30s
Q2
What is the 0 term for a(n)=-3n-5
-5
-3
5
0
30s
Q3
Find the 5th term for a(n)=2+3(n+3)
26
20
40
5
30s
Q4
Identify what type of sequence: 2, -1,-4,-7,...
geometric
Arithmetic
no pattern
recursive
30s
Q5
Identify what type of sequence: 4, 8, 16,32,...
arithmetic
recursive
Geometric
no pattern
30s
Q6
Find the formula: 1,3,5,7,9...
a(n)=1+2(n+1)
a(n)=2+(n-1)
a(n)=1+2(n-1)
a(n)=1-2(n-1)
30s
Q7
Find the formula: 12, 9, 6,3,0,-3,...
a(n)=12+3(n-3)
a(n)=12-3(n-3)
a(n)=3+12(n-3)
a(n)=-3+12(n-3)
30s
Q8
What is the formula for 4, 12,36, 108,...
g(n)=3(4)^(n-1)
g(n)=4+3(n-1)
g(n)=4(3)^n-1
g(n)=3(4)^n
30s
Q9
Find the formula for 32,16,8,4,2,....
g(n)=32+1/2(n-1)
g(n)=1/2(32)^(n-1)
no formula is possible
g(n)=32(1/2)^(n-1)
30s

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