IB DP Maths: AI HL复习笔记4.6.2 Unbiased Estimates
Unbiased Estimates What is an unbiased estimator of a population parameter? An estimator is a random variable that is used to estimate a population parameter An estimate is the value produced by th...
提交截止倒计时30天！马歇尔经济论文比赛6大论题深层解析！
马歇尔学会经济论文比赛 距离投稿结束仅剩 30 天 适合学生 全球A-Level、IB或同等资质课程的学生 提交截止时间 2022 年 8 月 19 日 23:59 分前（英国时间） 即中国时间 2022 年 8 月 20 日 6:59 分前 报名通道已...
AQA A Level Maths: Pure复习笔记2.5.2 Polynomial Division
Polynomial Division What is a polynomial? A polynomial is an algebraic expression consisting of a finite number of terms, with non-negative integer indices only What is polynom...
AQA A Level Maths: Pure复习笔记2.5.1 Expanding Brackets
Expanding Brackets What do I need to know about expanding brackets? To expand brackets, the rule is that each term in one set of brackets must be multiplied by each term in the other set of ...
AQA A Level Maths: Pure复习笔记2.4.3 Inequalities on Graphs
Inequalities on Graphs Inequalities on graphs Inequalities can be represented on graphs by shaded regions and dotted or solid lines These inequalities have two variables, x and y Several ine...
AQA A Level Maths: Pure复习笔记2.4.2 Quadratic Inequalities
Quadratic Inequalities Quadratic inequalities Similar to quadratic equations quadratic inequalities just mean there is a range of values that satisfy the solution Sketching a quadratic graph...
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...
