Lesson 4.2.1
4.2.1 Sequences given by a formula for the nth term Quiz: Pearson Edexcel Maths, Unit 4
20 questions
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Lesson 4.2.1, Sequences given by a formula for the nth term: 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 does the subscript notation a_n represent in a sequence?
- The nth term
- The sum of n terms
- The common difference
- The number of terms
-
Find the 5th term of the sequence given by a_n = 3n - 1.
- 11
- 14
- 15
- 12
-
Which term in the sequence a_n = 4n has a value of 36?
- 8th
- 10th
- 9th
- 32nd
-
What type of sequence is defined by the nth term formula a_n = 2n + 5?
- Arithmetic
- Geometric
- Harmonic
- Quadratic
-
Find the 10th term of the constant sequence a_n = 7.
- 0
- 7
- 10
- 70
-
What is the 3rd term of the sequence defined by x_n = (-1)^n n?
- 1
- -1
- 3
- -3
-
Determine the 5th term of the quadratic sequence a_n = n^2 - 1.
- 25
- 26
- 24
- 20
-
Which formula generates the even numbers 2, 4, 6, 8 starting from n = 1?
- 2n
- n^2
- n + 2
- 2n - 1
-
Which formula generates the odd numbers 1, 3, 5, 7 starting from n = 1?
- 2n - 1
- 2n + 1
- n^2
- n + 2
-
Find the sum of the first two terms of the sequence u_n = 3n.
- 9
- 3
- 6
- 12
-
What is the value of n if the nth term of a_n = 5n - 3 is 42?
- 7
- 10
- 9
- 8
-
Which term in the sequence u_n = 10 - n equals zero?
- 0th
- 11th
- 9th
- 10th
-
What type of sequence is generated by the formula a_n = n^2 + 3n + 2?
- Linear
- Quadratic
- Arithmetic
- Geometric
-
Find the difference between the 4th and 3rd terms of a_n = n^2.
- 7
- 16
- 9
- 1
-
What is the 0th term notation sometimes used implicitly in linear sequences?
- The limit
- The gradient
- The intercept
- The ratio
-
What is the limit of the sequence a_n = 1/n as n approaches infinity?
- 1
- Undefined
- Infinity
- 0
-
Find the 5th term of the geometric sequence given by u_n = 3(2)^(n-1).
- 96
- 48
- 15
- 24
-
What is the 4th term of the sequence defined by u_n = 2^n?
- 64
- 8
- 16
- 32
-
Which formula generates the sequence 4, 7, 10, 13 starting from n = 1?
- n + 3
- 3n - 1
- 3n + 1
- 4n
-
What is the 100th term of the constant sequence a_n = 9?
- 100
- 900
- 0
- 9
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