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GCSE Maths: Equations
GCSE Maths doesn't have to be hard with our maths revision guide. Test your maths skills & problem solving in core maths GCSE topics.� It is difficult for students to guarantee a safe job in future if they fail the GCSE maths exam. Surprisingly the percentage of students who pass GCSE Maths is 60% out of which only 10% achieve the top grades i.e. A and A*. There is a reason behind many students failing to score a good grade. One of the most important reasons is the strategy which they adopt while preparing for GCSE maths exams. Students lack the guidance needed to help them prepare for the test. They are not familiar with the correct ways of effective revision. Neither they do not know how to find the resources and how to use. �������� ����, ������ �� ������. ������� ����������� ������������. ���� 17 ���. The Edexcel GCSE maths exam is spread over Equations For Maths Gcse Edexcel Upload Pdf three separate papers and each part is worth 80 marks.� Thousands of students are sitting their GCSE exams all over the countryCredit: Getty - Contributor. How does the GCSE maths exam work? The Edexcel GCSE maths exam is spread over three separate papers - each part is worth 80 marks and has a per cent weighting. The first test is a non-calculator exam, and students can use a calculator for the second two parts.� What equations or formulae will I need? Students will need to memorise many of the formulae currently given in the formulae sheets at the front of the exam papers. These include: Volume of a prism. Area of a trapezium. The Quadratic equation (Higher tier only).

The Quadratic Formula is a way of finding the roots also called solutions of a quadratic equation if they exist � see Exam Tip 1 :. The part of the formula under the square root b 2 � 4ac is All Equations For Maths Gcse Letter called the discriminant and it tells you a lot about the roots:.

However, at GCSE, you should avoid using this feature as marks are awarded for method. At best you can use them All Equations For Maths Gcse Key to check your final answers but be aware that such calculators often show solutions even when the roots are not real. You could still use the formula to check your answer! If the question asks you to give your answers to a certain degree of accuracy eg 3 significant figures or 2 decimal places etc then you will not be able to factorise and you MUST use the formula.

The safest way to avoid errors is to break the formula down into stages:. Write down more digits Equations For Maths Gcse Edexcel Relationship than you need from your calculator display. Then do the rounding as a separate stage. This will avoid errors and could save you a mark. Test yourself with our topic questions. What is a quadratic equation? What is the quadratic formula? A quick note about calculators. When do you use the quadratic formula? How do you use the quadratic formula? Try More Questions. Number 1. Algebra Basics 2.

Sequences 4. Graphs 5. Probability 8. Statistics 9. Share with friends. Want to aim for a Level 9? Author: Simon. Topic Questions. Past Papers. Revision Notes. Checklist: Topics.

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