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# Arithmetic Sequences - Practice #2 (Grade 9)

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## Arithmetic Sequences - Practice #2

1.
What are the next 2 numbers in the sequence $1, 5, 9...$?
1. $45,225$
2. $14,18$
3. $13,17$
4. $32,128$
2.
What is the common difference in the following sequence? 13, 15, 17, 19, ...
1. d = 1
2. d = -2
3. d = 2
4. d = 0
3.
In the following sequence, what is the common difference? -2, 1, 4, 7, ...
1. -2
2. 3
3. 7
4. None of the above
4.
Determine the 20th term for the following sequence: $1,8,15,22,29...$
1. 79
2. 325
3. 57
4. 215
5. none of these are correct
5.
What is the 61st number in the sequence $-3, 0, 3...$?
1. $366$
2. $363$
3. $177$
4. $183$
6.
What is the 91st term in the following sequence? $1, 1.01, 1.02, ...$
1. 10
2. 1.9
3. 2
4. 1.91
7.
What is $t_n$ for the sequence 14/3, 16/3, 6, 20/3, 22/3, ...?
1. $t_n = 2/3n+ 11/3$
2. $t_n= 2/3n + 4$
3. $t_n = 2/3n+ 12/3$
4. $t_n= 2/3n + 6$
8.
If the 11th and 12th terms of an arithmetic sequence are 50 and 55 respectively, what is the first term?
1. 5
2. 0
3. 1
4. 10
9.
In an arithmetic sequence, if the 4th term is 3 and the 22nd term is 15, then what is the 1st term?
1. $2/3$
2. $1$
3. $-3$
4. $-4/3$
5. none of these are correct
10.
4, 9, 14, 19, 24, . . .
In the list above, the first term is 4 and each term thereafter is 5 more than the previous term. What is the difference between the 5790th term and the 5795th term?
1. 5
2. 15
3. 20
4. 25
5. 30
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