WorksheetsAlgebra 2 Ch 1.1
Total questions: 15
Worksheet time: 30mins
Name
Class
Date
1.
What kind of sequence is illustrated below?
400, 200, 100, 50, 25, ...
400, 200, 100, 50, 25, ...
a)
Arithmetic
b)
Geometric
c)
Neither
2.
Which kind of sequence has a common difference?
a)
Arithmetic
b)
Geometric
3.
The individual numbers in a sequences are called...
a)
Common difference
b)
Successive term
c)
Term
d)
Geometric term
4.
What is the common ratio of the geometric sequence below?
5, 25, 125, 625...
5, 25, 125, 625...
a)
25
b)
20
c)
5
d)
4
5.
What is the common difference of the arithmetic sequence below?
-6, -1, 4, 9...
-6, -1, 4, 9...
a)
5
b)
-5
c)
-6
d)
1/5
6.
Is this sequence Arithmetic, Geometric, or Neither?
{2, 9, 7, 14, 12, 19, ... }
{2, 9, 7, 14, 12, 19, ... }
a)
Arithmetic
b)
Geometric
c)
Neither
7.
Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}
{26, 22, 18, 14, ...}
a)
Arithmetic
b)
Geometric
c)
Neither
8.
Dividing by 12 is the same as ...
a)
× 12
b)
÷ 1/12
c)
× 1/12
d)
+ 12
9.
Write the recursive formula for 6, 17, 28, 39, 50....
a)
an=an-1+11
a1=6
a1=6
b)
an=an-1-4
a1=6
a1=6
c)
an=an-1+9
a1=6
a1=6
d)
an=an-1+6
a1=6
a1=6
10.
Given the recursive formula, find the first four terms:
an = an-1 + 5
a1 = -16
an = an-1 + 5
a1 = -16
a)
-16, -21, -26, -31
b)
5, -11, -27, -43
c)
-16, -80, -500, -200
d)
-16, -11, -6, -1
11.
A sequence is _______.
a)
a set of numbers in a specific order.
b)
a formula used to find a number.
c)
the term after an.
d)
a collection of data.
12.
Which of the following recursive formulas represents the given sequence.
7, 14, 28, 56, 112, ...
a)
a1=7 , an=a(n−1)+7
b)
a1=7 , an=a(n−1)⋅7
c)
a1=7 , an=a(n−1)⋅2
d)
a1=7 , an=a(n−1)+14
13.
An = An−1+d
a)
Geometric Recursive
b)
Arithmetic Explicit
c)
Arithmetic Recursive
d)
Geometric Explicit
14.
An=An-1(r)
a)
Geometric Recursive
b)
Arithmetic Recursive
15.
To find the next term in a geometric sequence…
a)
add the common difference d
b)
multiply by the common ratio r multiply by the common ratio r
100 %
