Factorising - Study guides, Class notes & Summaries
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A Level Edexcel 2024/2025 Pure Maths Paper 1 and 2 with Mechanics and statistics Papers. Marking Schemes at the end of the document. 2024 latest update.
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1 	a)	Give n tha t f(x ) = x 3 – 4x 2 – 3x + 7, find f '(x ). 	(2) 
 
 
 
 
b)	Hence find the values of x for which f(x) is a decreasing function, giving your answer in the form 
{x : x > a} {x : x < b} where a and b are real numbers to be found. (3) 
 
 
 
 	 
2 
 	 
 
 
A helicopter flies between 3 locations, A, B and C, which are positioned such that AB = 9 km, AC = 5 km and angle ABC = 24°. 
Find the possible values of angle ACB to 1 decimal place. 	...
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AS-level Edexcel Pure Maths - Module 2: Quadratics|2023 LATEST UPDATE|GUARANTEED SUCCESS
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Quadratic equation 
Written as ax²+bx+c=0 where a, b, c and constants. Has 0-2 solutions 
 
 
 
Roots 
- The solutions to an equation 
- The values of x for which f(x)=0 
- Find by factorising x 
 
 
 
Completing the square 
x²+bx = (x+b÷2)²-(b÷2)² 
 
 
 
Completing the square when a≠1 
- Factorise as much as possible 
- Otherwise keep a outside the brackets 
 
 
 
Completing the square when a≠1 - method 
2x²-12x 
= 2(x²-6x) 
= 2((x-3)²-3²) Complete the square 
= 2((x-3)²-9) Simpl...
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AS-level Edexcel Pure Maths - Module 7: Algebraic methods|2023 LATEST UPDATE|GUARANTEED SUCCESS
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Simplifying algebraic fractions 
- Factorise the numerator and denominator 
- Collect like terms 
 
 
 
Binomial 
An algebraic expression of the sum or the difference of two terms. E.g. x²-y³ 
 
 
 
Polynomial 
A finite expression with more than 2 terms. E.g. 6x²+24x+48 
 
 
 
Dividend 
The base number that is being divided 
 
 
 
Divisor 
The number that is dividing into the dividend 
 
 
 
Quotient 
The whole number that results after dividing 
 
 
 
Remainder 
The number that is left over ...
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A Level Edexcel 2024 Pure Maths Paper 1 and 2 with Mechanics and statistics Papers all included with Mark Schemes A-Level Mathematics Exam Board: Edexcel Practice Exam Papers
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Edexcel A-Level 
Mathematics 
 
Practice Set 1 
Paper 1: Pure Mathematics 1 
Time allowed: 2 hours 
 
 
Centre name 		Surname 
Centre number 	 	 	 	 	 		Other names 
Candidate number 	 	 	 	 		Candidate signature 
 	 	 
 
 
In addition to this paper you should have: 
•	An Edexcel mathematical formula booklet 
•	A calculator 
 
 
For examiner’s use 
Q 	Mark 	Q 	Mark 
1 	 	9 	 
2 	 	10 	 
3 	 	11 	 
4 	 	12 	 
5 	 	13 	 
6 	 	14 	 
7 	 	15 	 
8 	 	16 	 
Total 	 ...
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Complex Numbers (Algebra) - Detailed Notes - Grade 12 Mathematics
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This document contains detailed in-depth notes about complex numbers (algebra) for grade 12 mathematics. 
The following topics are dealt with: 
1.1	Important Definitions and Notes for Complex Numbers 
1.2	Multiplication, Addition and Subtraction 
1.3	Division 
1.4	Quadratic Formula 
1.5	Determining the original quadratic equation from its roots 
1.6	Solving Simultaneous Equations 
1.7	Factorising 
1.8	Solving Equations with Polynomials 
1.9	Graphical Representation 
Alongside each of the topics...
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MATHS A-LEVEL QUESTIONS AND ANSWERS RATED A
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MATHS A-LEVEL QUESTIONS AND ANSWERS RATED A How do you find the gradient of a line on a graph? Increase in y --------------- Increase in x 
How do you find the perpendicular gradient? 
How do you find the gradient of a line using two coordinates? y2-y1 ------ x2-x1 
How do you find the equation of a straight line? y-y1 = m( x- x1) 
How do you find the points of intersection? By treating the two equations as simultaneous equations in order to work out the x and y coordinates. 
What are the three...
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Edexcel A Level Maths – Pure A+ Graded 100% Verified
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Edexcel A Level Maths – Pure A+ Graded 100% Verified 
 
Natural Numbers ANS: The set of numbers 1, 2, 3, 4, ... Also called counting numbers. 
 
Integers ANS: The set of whole numbers and their opposites 
Z⁺ 
Z⁺₀ 
 
Rational Number ANS: set of all numbers that can be written as a fraction of two integers 
Q 
 
irrational numbers ANS: Numbers that can't be written as a fraction... examples √2 and π 
 
Universal Set ANS: A set that includes all the objects being discussed. 
 
- Ex...
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13b A level Mathematics Practice Paper M - Pure Mathematics mark scheme
- Exam (elaborations) • 12 pages • 2023
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4		 
	attempt.	 
	4	1	5 
∫10 - 2x dx =-	10 - 2x 
Correctly states	10	A1 
	1	5	1	5	211 
-	 2 +	10 - 2a = 
States 10	10	10	M1 ft 
	Makes an attempt to solve this equation. 
1 10 - 2a 5 =243 	5 
 	 
For example, 10	10 or 10 - 2a =243 is seen.	M1 ft 
	a =7 
Solves to find	2	A1 ft 
	TOTAL:	5 marks	 
NOTES: 
Student does not need to state ‘+C’ in an answer unless it is the final answer to an indefinite integral. 
Award ft marks for a correct answe...
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A Level Edexcel 2024/2025 Pure Maths Paper 1 and 2 with Mechanics and statistics Papers. Marking Schemes at the end of the document. 2024 latest update.
- Exam (elaborations) • 344 pages • 2024
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Answer ALL the questions. 
Write your answers in the spaces provided. 	Leave blank 
1	a) 	Give n tha t f(x ) = x 3 – 4x 2 – 3x + 7, find f '(x ). 	(2) 
 
 
 
 
b) Hence find the values of x for which f(x) is a decreasing function, giving your answer in the form {x : x > a} {x : x < b} where a and b are real numbers to be found. (3) 
 
 
 
 
 
 
 
2	A helicopter flies between 3 locations, A, B and C, which are positioned such that AB = 9 km, AC = 5 km and angle ABC = ...
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pure maths with mechanics and statis
- Exam (elaborations) • 143 pages • 2023
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1 a) Give n tha t f(x ) = x 3 – 4x 2 – 3x + 7, find f '(x ). (2) 
b) Hence find the values of x for which f(x) is a decreasing function, giving your answer 
in the form {x : x > a} {x : x < b} where a and b are real numbers to be found. (3) 
2 A helicopter flies between 3 locations, A, B and C, which are positioned 
such that AB = 9 km, AC = 5 km and angle ABC = 24°. 
Find the possible values of angle ACB to 1 decimal place. (3) 
A-lev el Edexcel Maths / Set 1 / Paper 1 © CGP 201...
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