# Arithmetic Sequences - Practice #2 (Grade 9)

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## Arithmetic Sequences - Practice #2

1.

What are the next 2 numbers in the sequence [math]1, 5, 9...[/math]?

- [math]45,225[/math]
- [math]14,18[/math]
- [math]13,17[/math]
- [math]32,128[/math]

2.

What is the common difference in the following sequence? 13, 15, 17, 19, ...

- d = 1
- d = -2
- d = 2
- d = 0

3.

In the following sequence, what is the common difference? -2, 1, 4, 7, ...

- -2
- 3
- 7
- None of the above

4.

Determine the 20th term for the following sequence: [math]1,8,15,22,29...[/math]

- 79
- 325
- 57
- 215
- none of these are correct

5.

What is the 61st number in the sequence [math]-3, 0, 3...[/math]?

- [math]366[/math]
- [math]363[/math]
- [math]177[/math]
- [math]183[/math]

6.

What is the 91st term in the following sequence? [math]1, 1.01, 1.02, ...[/math]

- 10
- 1.9
- 2
- 1.91

7.

What is [math]t_n[/math] for the sequence 14/3, 16/3, 6, 20/3, 22/3, ...?

- [math]t_n = 2/3n+ 11/3[/math]
- [math]t_n= 2/3n + 4[/math]
- [math]t_n = 2/3n+ 12/3[/math]
- [math]t_n= 2/3n + 6[/math]

8.

If the 11th and 12th terms of an arithmetic sequence are 50 and 55 respectively, what is the first term?

- 5
- 0
- 1
- 10

9.

In an arithmetic sequence, if the 4th term is 3 and the 22nd term is 15, then what is the 1st term?

- [math]2/3[/math]
- [math]1[/math]
- [math]-3[/math]
- [math]-4/3[/math]
- 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?

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?

- 5
- 15
- 20
- 25
- 30

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