Lesson 4.3.1
4.3.1 Sigma notation for sums of series Quiz: Pearson Edexcel Maths, Unit 4
20 questions
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Lesson 4.3.1, Sigma notation for sums of 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 does the Greek letter sigma represent in mathematical series?
- Limit
- Product
- Summation
- Integral
-
What is the lower limit of the sum in sum from r=1 to 5 of r squared?
- 1
- r
- 5
- 0
-
What is the upper limit of the sum in sum from r=3 to 10 of 2r?
- 2
- 7
- 10
- 3
-
What is the standard letter usually used as the index of summation?
- x
- n
- i
- r
-
Evaluate sum from r=1 to 3 of 4.
- 3
- 12
- 4
- 7
-
Evaluate sum from r=1 to 4 of r.
- 8
- 4
- 15
- 10
-
Rewrite sum from r=1 to n of (a_r + b_r) using split sums.
- Sum (a_r b_r)
- Sum a_r - sum b_r
- Sum a_r + sum b_r
- Sum a_r times sum b_r
-
What is the sum from r equals 1 to n of a constant c?
- c over n
- c to the power of n
- n plus c
- nc
-
Evaluate sum from r=1 to 2 of r cubed.
- 5
- 8
- 6
- 9
-
What is the value of sum from r=5 to 5 of r squared?
- 0
- 10
- 5
- 25
-
Evaluate sum from r=1 to 3 of 3 to the power of r.
- 39
- 12
- 45
- 27
-
Evaluate sum from r=2 to 4 of r.
- 4
- 10
- 7
- 9
-
What is sum from r=1 to n of r equal to in standard formulae?
- n(n + 1)
- n squared + 1
- 0.5 n(n + 1)
- 0.5 n squared
-
Evaluate sum from r=1 to 3 of r squared.
- 12
- 9
- 6
- 14
-
What standard formula represents the sum from r equals 1 to n of r squared?
- 1/6 n(n + 1)(2n + 1)
- 1/2 n(n + 1)
- 1/4 n squared (n + 1) squared
- 1/3 n(n + 1)(n + 2)
-
Evaluate the sum from r equals 1 to 3 of r times 2 to the power of r minus 1.
- 14
- 6
- 11
- 9
-
What standard formula represents the sum from r equals 1 to n of r cubed?
- 1/4 n^2 (n+1)^2
- 1/2 n(n+1)
- n^2(n+1)
- 1/6 n(n+1)(2n+1)
-
Evaluate the sum from r equals 1 to 4 of two to the power of r.
- 32
- 30
- 16
- 15
-
What is the result of factoring a constant k out of sigma notation?
- Multiply sum by k
- Raise sum to power k
- Add k to the sum
- Divide sum by k
-
Evaluate the sum from r equals 1 to 3 of two r minus one.
- 8
- 9
- 11
- 7
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