AQA A Level Maths: Pure复习笔记2.4.1 Linear Inequalities
Linear Inequalities What are linear inequalities? Linear inequalities are similar to equations but answers take a range of values Linear means there will be no terms other than degree 1 no s...
AQA A Level Maths: Pure复习笔记2.3.3 Quadratic Simultaneous Equations
Quadratic Simultaneous Equations What are quadratic simultaneous equations? When you have more than one equation in more than one unknown, then you are dealing with simultaneous equations An...
AQA A Level Maths: Pure复习笔记2.3.2 Linear Simultaneous Equations - Substitution
Linear Simultaneous Equations - Substitution What are simultaneous linear equations? When you have more than one equation in more than one unknown, then you are dealing with simultaneous equ...
IB EE论文怎么写才能拿高分？
不少IB学校学生已经开启EE准备了，关于EE如何写才能拿高分让很多同学感到头疼！到底该选哪门课？该怎么写呢？今天我们将为大家详细介绍EE的选题及写作技巧，帮助大家攻克EE这一难题。 认识EE IB课程——Internation...
IB DP Maths: AI HL复习笔记4.6.1 Linear Combinations of Random Variables
Transformation of a Single Variable What is Var(X)? Var(X) represents the variance of the random variable X Var(X) can be calculated by the formula You will not be required to use this formula in t...
IB DP Maths: AI HL复习笔记4.5.2 Expected Values
Expected Values E(X) What does E(X) mean and how do I calculate E(X)? E(X) means the expected value or the mean of a random variable X The expected value does not need to be an obtainable value of ...
IB DP Maths: AI HL复习笔记4.5.1 Discrete Probability Distributions
Discrete Probability Distributions What is a discrete random variable? A random variable is a variable whose value depends on the outcome of a random event The value of the random variable is not ...
IB DP Maths: AI HL复习笔记4.4.3 Sample Space Diagrams
Venn Diagrams What is a Venn diagram? A Venn diagram is a way to illustrate events from an experiment and are particularly useful when there is an overlap between possible outcomes A Venn diagram c...
IB DP Maths: AI HL复习笔记4.4.2 Conditional Probability
Conditional Probability What is conditional probability? Conditional probability is where the probability of an event happening can vary depending on the outcome of a prior event The event A happen...
