Lesson 1.04a
1.04a Binomial expansion Quiz: OCR Maths, Unit 4
20 questions
In partnership with Revision Ninja
Lesson 1.04a, Binomial expansion: 20 multiple choice questions for the OCR Maths (H240), Unit 4: Sequences and Series, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What is the coefficient of x in the expansion of (1 + x)^5?
- 5
- 1
- 10
- 25
-
What is the value of 6C2?
- 30
- 12
- 20
- 15
-
What is the sum of the coefficients in the expansion of (1 + x)^4?
- 8
- 16
- 32
- 4
-
What is the coefficient of x^2 in (1 + x)^3?
- 3
- 1
- 2
- 6
-
What is the coefficient of x^3 in (2 - 3x)^3?
- 27
- -9
- -54
- -27
-
What is the coefficient of x^2 in (1 + 2x)^4?
- 6
- 8
- 12
- 24
-
What is the coefficient of x in the expansion of (2 - 3x)^7?
- 1344
- -1344
- -2688
- -448
-
Using the approximation (1 + x)^n is about 1 + nx for small x, what is an approximate value of (1.02)^10?
- 1.02
- 1.22
- 1.0002
- 1.2
-
For which values of x is the binomial expansion of (1 + x)^(1/2) valid?
- x > 0 only
- |x| < 1
- |x| > 1
- All real x
-
What is the coefficient of x^2 in the expansion of (1 - x/2)^4?
- 3/2
- 3
- 6
- 1/4
-
What is the coefficient of x^2 in the expansion of (1 + x)^(-1)?
- -2
- 2
- -1
- 1
-
What is the coefficient of x^2 in the expansion of (1 + 3x)^(-2)?
- 9
- -27
- 27
- 6
-
What is the coefficient of x^2 in the expansion of (1 + 2x)^(1/2)?
- 1/4
- 1/2
- -1/2
- -1/8
-
What is the coefficient of x in the expansion of (1 - 2x)^(1/3)?
- -1/3
- 2/3
- -2/3
- -2
-
What is the coefficient of x^2 in the expansion of (2 + x)^5?
- 40
- 20
- 80
- 160
-
If the coefficient of x in (1 + x)^n is 7, what is n?
- 49
- 7
- 14
- 3.5
-
What is the coefficient of x^3 in (1 + x)^6 (1 - x)?
- -5
- 20
- 15
- 5
-
What is the coefficient of x^3 in the expansion of (1 + x)^(-2)?
- -3
- -4
- -6
- 4
-
What is the coefficient of x in the expansion of (2 + x)^4?
- 24
- 8
- 32
- 16
-
What is the coefficient of x^4 in the expansion of (1 + x)^6?
- 6
- 30
- 15
- 20
Related quizzes
- Sequences and sigma notation Quiz · 1.04e · 20 questions
- Arithmetic and geometric series Quiz · 1.04h · 20 questions
- Sequences and series in modelling Quiz · 1.04k · 20 questions
- Methods of proof Quiz · 1.01 · 20 questions
- Indices and surds Quiz · 1.02a · 20 questions
- Straight lines and circles Quiz · 1.03a · 20 questions
- Trigonometric functions and triangles Quiz · 1.05a · 20 questions
- Exponential functions Quiz · 1.06a · 20 questions
- Gradients and second derivatives Quiz · 1.07a · 20 questions
- Fundamental theorem of calculus Quiz · 1.08a · 20 questions