Subjects
Careers
Maths
Biology
Chemistry
English Lang.
History
Homeostasis and response
Energy transfers (a2 only)
Infection and response
Responding to change (a2 only)
Cell biology
Organisms exchange substances with their environment
Biological molecules
Organisation
Substance exchange
Bioenergetics
Genetic information & variation
Inheritance, variation and evolution
Genetics & ecosystems (a2 only)
Ecology
Cells
Show all topics
Britain & the wider world: 1745 -1901
1f industrialisation and the people: britain, c1783-1885
World war two & the holocaust
1l the quest for political stability: germany, 1871-1991
1c the tudors: england, 1485-1603
Medieval period: 1066 -1509
2d religious conflict and the church in england, c1529-c1570
2m wars and welfare: britain in transition, 1906-1957
The cold war
2o democracy and nazism: germany, 1918-1945
Inter-war germany
2n revolution and dictatorship: russia, 1917-1953
2s the making of modern britain, 1951-2007
World war one
Britain: 1509 -1745
Show all topics
5
0
Safwan Master
05/04/2023
Maths
Simultaneous Equations Questions
A Level simultaneous equations practice guide covering various question types and solution methods.
05/04/2023
669
This page demonstrates solutions for the first two problems, showcasing methods of solving simultaneous equations that combine linear and quadratic equations.
For the first problem (y = 6 - x and x² + y² = 20), the solution process involves:
The second problem (y = x - 5 and y = x² - 5x + 12) is solved by:
Definition: A quadratic equation is a polynomial equation of the second degree, typically in the form ax² + bx + c = 0, where a ≠ 0.
Highlight: These solutions demonstrate the importance of algebraic manipulation and the application of quadratic solving techniques in A Level maths simultaneous equations.
This page continues with solutions to more complex simultaneous equations, including a system involving multiplication of variables (xy = 15) and a problem requiring elimination of a variable.
The solution for 2x + y = 11 and xy = 15 involves:
For the elimination problem, students are guided to:
Example: The solution x = 1 ± 2√3 demonstrates how A Level simultaneous equations questions and answers often involve surds and irrational numbers.
Highlight: These problems showcase the integration of various algebraic techniques, including substitution, elimination, and quadratic solving, essential for mastering Edexcel A Level simultaneous equations practice questions.
This page introduces a combination of graphical and algebraic methods for solving simultaneous equations, particularly focusing on the intersection of linear and quadratic functions.
The problem involves solving:
The solution process demonstrates:
Additionally, the page introduces a problem involving the graphs of y = p(x) and y = q(x), where:
Students are asked to:
Vocabulary: The vertex of a parabola is the point where it turns, representing either a maximum or minimum point of the quadratic function.
Highlight: This page emphasizes the importance of combining graphical understanding with algebraic problem-solving in A Level maths simultaneous equations step by step solutions.
This page continues the exploration of graphical and algebraic methods for solving simultaneous equations, focusing on the intersection of curves and lines.
The main problem involves finding the intersection points of:
The solution process demonstrates:
The page also introduces a more complex problem involving the intersection of:
Example: The solution process for y = 3x - 2√x and y = 8x - 16 demonstrates how to handle equations involving square roots in simultaneous equations exam questions and solutions.
Highlight: These problems showcase the integration of algebraic and graphical techniques, essential for tackling complex Edexcel A Level simultaneous equations practice questions.
This final page focuses on solving a challenging non-linear system of simultaneous equations, demonstrating advanced algebraic manipulation techniques.
The problem involves finding the intersection of:
The solution process includes:
Highlight: This problem exemplifies the level of complexity found in hard simultaneous equations questions and answers at the A Level, requiring a combination of algebraic skills and logical reasoning.
Vocabulary: Non-linear equations are those where the variables are not in a simple linear relationship, often involving powers, roots, or products of variables.
This page concludes the comprehensive guide on A Level simultaneous equations questions and answers, providing students with a robust set of techniques for tackling a wide range of problem types.
10
890
S5/S6
SQA HIGHER Mathematics 2019 P2 Q11 (OPTIMISATION question)
Worked solutions to part A and B of the 2019 higher maths paper 2 differentiation optimisation question. Part A can be tricky at first and there is a lot of work to do for just 3 marks but I have tried my best to break it down and explain it.
8
175
12/13
Quadratics and Modelling Questions
Edexcel A-Level Maths quadratics and modelling questions
1620
19634
12
Edexcel Year 1 Maths - Complete notes!
ignore the rough start but these notes have helped me get an A* Prediction
10
138
12
As pure edexcel proof
3 types of proof with examples
8
111
S5
Higher Maths Polynomials and Quadratics
Worked exam solutions and notes explaining techniques
2
137
12/13
Polynomial division
Notes, explanations and practice questions (with steps) on polynomial division
Average app rating
Pupils love Knowunity
In education app charts in 17 countries
Students have uploaded notes
iOS User
Philip, iOS User
Lena, iOS user
Safwan Master
@safwanmaster
·
34 Followers
Follow
A Level simultaneous equations practice guide covering various question types and solution methods.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This page demonstrates solutions for the first two problems, showcasing methods of solving simultaneous equations that combine linear and quadratic equations.
For the first problem (y = 6 - x and x² + y² = 20), the solution process involves:
The second problem (y = x - 5 and y = x² - 5x + 12) is solved by:
Definition: A quadratic equation is a polynomial equation of the second degree, typically in the form ax² + bx + c = 0, where a ≠ 0.
Highlight: These solutions demonstrate the importance of algebraic manipulation and the application of quadratic solving techniques in A Level maths simultaneous equations.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This page continues with solutions to more complex simultaneous equations, including a system involving multiplication of variables (xy = 15) and a problem requiring elimination of a variable.
The solution for 2x + y = 11 and xy = 15 involves:
For the elimination problem, students are guided to:
Example: The solution x = 1 ± 2√3 demonstrates how A Level simultaneous equations questions and answers often involve surds and irrational numbers.
Highlight: These problems showcase the integration of various algebraic techniques, including substitution, elimination, and quadratic solving, essential for mastering Edexcel A Level simultaneous equations practice questions.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This page introduces a combination of graphical and algebraic methods for solving simultaneous equations, particularly focusing on the intersection of linear and quadratic functions.
The problem involves solving:
The solution process demonstrates:
Additionally, the page introduces a problem involving the graphs of y = p(x) and y = q(x), where:
Students are asked to:
Vocabulary: The vertex of a parabola is the point where it turns, representing either a maximum or minimum point of the quadratic function.
Highlight: This page emphasizes the importance of combining graphical understanding with algebraic problem-solving in A Level maths simultaneous equations step by step solutions.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This page continues the exploration of graphical and algebraic methods for solving simultaneous equations, focusing on the intersection of curves and lines.
The main problem involves finding the intersection points of:
The solution process demonstrates:
The page also introduces a more complex problem involving the intersection of:
Example: The solution process for y = 3x - 2√x and y = 8x - 16 demonstrates how to handle equations involving square roots in simultaneous equations exam questions and solutions.
Highlight: These problems showcase the integration of algebraic and graphical techniques, essential for tackling complex Edexcel A Level simultaneous equations practice questions.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This final page focuses on solving a challenging non-linear system of simultaneous equations, demonstrating advanced algebraic manipulation techniques.
The problem involves finding the intersection of:
The solution process includes:
Highlight: This problem exemplifies the level of complexity found in hard simultaneous equations questions and answers at the A Level, requiring a combination of algebraic skills and logical reasoning.
Vocabulary: Non-linear equations are those where the variables are not in a simple linear relationship, often involving powers, roots, or products of variables.
This page concludes the comprehensive guide on A Level simultaneous equations questions and answers, providing students with a robust set of techniques for tackling a wide range of problem types.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This page introduces a series of A Level simultaneous equations questions and answers, covering a range of difficulty levels and equation types. The problems presented include both linear and non-linear simultaneous equations, requiring students to apply various solving techniques.
Highlight: The questions progress from basic linear equations to more complex non-linear systems, providing a comprehensive practice set for A Level students.
Example: Question 1 asks students to solve y = 6 - x and x² + y² = 20, introducing the concept of combining linear and quadratic equations.
Vocabulary: Simultaneous equations refer to a set of equations that must be solved together to find values that satisfy all equations simultaneously.
Maths - SQA HIGHER Mathematics 2019 P2 Q11 (OPTIMISATION question)
Worked solutions to part A and B of the 2019 higher maths paper 2 differentiation optimisation question. Part A can be tricky at first and there is a lot of work to do for just 3 marks but I have tried my best to break it down and explain it.
10
890
1
Maths - Quadratics and Modelling Questions
Edexcel A-Level Maths quadratics and modelling questions
8
175
0
Maths - Edexcel Year 1 Maths - Complete notes!
ignore the rough start but these notes have helped me get an A* Prediction
1620
19634
21
Maths - As pure edexcel proof
3 types of proof with examples
10
138
0
Maths - Higher Maths Polynomials and Quadratics
Worked exam solutions and notes explaining techniques
8
111
0
Maths - Polynomial division
Notes, explanations and practice questions (with steps) on polynomial division
2
137
0
Average app rating
Pupils love Knowunity
In education app charts in 17 countries
Students have uploaded notes
iOS User
Philip, iOS User
Lena, iOS user
