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Arithmetic Sequences

Mathematics

9th Grade

Used 1+ times

Arithmetic Sequences
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7 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the 22nd term of the following sequence:
5, 8, 11, ...

14
68
63
71

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint:  Write your formula and then simplify it.)

an=2+6n
an=-6+6n
an=6n-4
an=4-6n

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the first term of the given sequence:
a14=68
d=3

14
20
26
29

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.  (Hint:  Simplify your equation.)

an = 4n + 29
an = -4n + 25
an = -4n + 29
an = 4n + 25

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given the recursive formula, find the first four terms:
an = an-1 + 5
a1 = -16

-16, -21, -26, -31
5, -11, -27, -43
-16, -80, -500, -200
-16, -11, -6, -1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the 4th term for the sequence defined by a1=9; an=an-1+8

35
17
41
33

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write a recursive rule for the sequence 17, 1, -15, -31 . . .

an = an-1 + 16

an = an-1 - 17

an = an-1 - 15

an = an-1 - 16

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