Proportional Relationships Proportional relationships Proportional relationships describe a proportional connection between two variables This can happen in two ways Direct proportion one va...
Solving Equations Graphically Solving (simultaneous) equations graphically This is a way to solve?simultaneous?equations?(see Simultaneous Equations) Coordinates of the?intersections?are the...
Reciprocal Graphs - Sketching What are reciprocal graphs? Reciprocal graphs involve equations with an?Χ term on the denominator e.g. There are two basic reciprocal graphs to know for A level...
Sketching Polynomials Sketching the graph of a polynomial Remember a polynomial is any finite function with non-negative indices, that could mean a quadratic, cubic, quartic or higher power ...
Improper Algebraic Fractions What are top-heavy (improper) rational expressions (or algrbraic fractions)? The?degree?of the numerator is?greater than?or?equal?to the degree of the denominato...
Rational Expressions (Algebraic Fractions) What are rational expressions? Rational?numbers are numbers that can be written as a fraction (quotient)Rational comes from?ratio?– a number is rat...
Polynomial Factorisation What is polynomial factorisation? Factorising a polynomial combines the?factor theorem?with the method of?polynomial division The goal is to break down a polynomial ...
Factor Theorem What is the factor theorem? The factor theorem is a very useful result about polynomials A?polynomial?is an algebraic expression consisting of a finite number of terms, with n...
近日，英國資格與考試監督管理辦公室（ofqual）發布最新通知：《關于2022夏季GCSE、AS和A-Level考試成績說明》。 圖源：英國政府網 1，ofqual：2022夏季考試成績說明 1、2022年夏季考試，考試委員采用的評分方法...
