IB DP Maths: AA SL复习笔记2.2.1 Quadratic Functions
Quadratic Functions & Graphs What are the key features of quadratic graphs? If a is positive then the vertex is the minimum point If a is negative then the vertex is the maximum point Wh...
IB DP Maths: AA SL复习笔记2.1.1 Equations of a Straight Line
How do I find the gradient of a straight line? Find two points that the line passes through with coordinates (x1, y1) and (x2, y2) The gradient between these two points is calculated by This is giv...
IB DP Maths: AA SL复习笔记1.5.1 Binomial Theorem
Binomial Theorem What is the Binomial Theorem? The binomial theorem (sometimes known as the binomial expansion) gives a method for expanding a two-term expression in a bracket raised to a power A b...
2022年IB大考，新加坡哪些学校取得了亮眼的考试成绩呢？
2022年5月IB大考成绩在前几日陆续公布！尽管全球疫情持续肆虐的大环境依然影响着考生，但新加坡学生依然以其极高的均分成绩领跑全球！本轮考试中，新加坡哪些学校取得了亮眼的考试成绩呢？一起和小编来看看吧！ ...
Edexcel IGCSE Chemistry 复习笔记 4.3.2 Halogens & Alkanes
Edexcel IGCSE Chemistry 复习笔记 4.3.2 Halogens & Alkanes Halogens & Alkanes In a substitution reaction, one atom is swapped with another atom Alkanes undergo a substitution reaction...
IB DP Maths: AA SL复习笔记1.4.1 Proof
Language of Proof What is proof? Proof is a series of logical steps which show a result is true for all specified numbers ‘Seeing’ that a result works for a few numbers is not enough to show that ...
Edexcel IGCSE Chemistry 复习笔记 4.3.1 Alkanes
Edexcel IGCSE Chemistry 复习笔记 4.3.1 Alkanes The Alkanes Alkanes are a group of saturated hydrocarbons The term saturated means that they only have single carbon-carbon bonds, there are no...
Edexcel IGCSE Chemistry 复习笔记 4.2.4 Cracking
Edexcel IGCSE Chemistry 复习笔记 4.2.4 Cracking Cracking Saturated molecules contain single bonds only whereas unsaturated molecules contain double bonds between their carbon atoms Alkanes a...
IB DP Maths: AA SL复习笔记1.3.5 Compound Interest & Depreciation
Compound Interest What is compound interest? Interest is a small percentage paid by a bank or company that is added on to an initial investment Interest can also refer to an amount paid on a loan o...
