Lesson 4.4.1
4.4.1 Arithmetic sequences and series Quiz: Pearson Edexcel Maths, Unit 4
20 questions
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Lesson 4.4.1, Arithmetic sequences and series: 20 multiple choice questions for the Pearson Edexcel Maths (9MA0), Unit 4: Sequences and series, written with Revision Ninja.
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The 20 questions
-
What is the standard formula for the nth term of an arithmetic sequence?
- ar^(n - 1)
- a + nd
- a + (n - 1)d
- ar^n
-
Which letter conventionally represents the common difference in an arithmetic sequence?
- r
- d
- n
- S
-
What does the letter a represent in standard arithmetic sequence notation?
- First term
- Common difference
- Sum to n terms
- Number of terms
-
Which letter denotes the number of terms being summed in a series formula?
- k
- x
- n
- l
-
What is the formula for the sum of the first n terms of an arithmetic series using the last term l?
- (n/2)(a + l)
- (n/2)(a - l)
- n(a + l)
- n/2(a + l - d)
-
What is the alternative sum formula for an arithmetic series containing a and d?
- (n/2)(a + nd)
- n(a + (n - 1)d)
- n(2a + nd)
- (n/2)(2a + (n - 1)d)
-
An arithmetic sequence has first term 3 and common difference 4. What is the 5th term?
- 19
- 15
- 27
- 23
-
Find the common difference of the arithmetic sequence: 5, 9, 13, 17, ...
- 4
- 3
- 9
- 5
-
What is the 10th term of an arithmetic sequence starting at 2 with common difference 3?
- 30
- 27
- 29
- 32
-
An arithmetic sequence has 3rd term 11 and 7th term 27. What is the common difference?
- 4
- 3
- 2
- 5
-
Find the first term of an arithmetic sequence with 5th term 22 and common difference 4.
- 2
- 10
- 6
- 18
-
What is the sum of the first 10 integers from 1 to 10 inclusive?
- 45
- 60
- 50
- 55
-
Find the sum of the arithmetic series: 2 + 5 + 8 + ... up to 10 terms.
- 145
- 165
- 155
- 140
-
How many terms are in the finite arithmetic sequence 7, 10, 13, ..., 58?
- 20
- 19
- 17
- 18
-
What is the 50th term of the arithmetic sequence 1, 3, 5, 7, ...?
- 97
- 101
- 100
- 99
-
Find the middle term of the arithmetic sequence 4, 7, 10, ..., 34.
- 18
- 19
- 16
- 22
-
If the sum of the first n terms is S_n = 3n^2 + 2n, what is the first term S_1?
- 2
- 5
- 3
- 6
-
Given S_n = 3n^2 + 2n, what is the second term u_2 of the sequence?
- 14
- 11
- 7
- 8
-
What is the common difference if the nth term is given by u_n = 5n - 2?
- -2
- 2
- 3
- 5
-
What is the 20th term of the arithmetic sequence starting at 5 with common difference 3?
- 60
- 59
- 62
- 65
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