IB DP Maths: AA SL复习笔记2.2.5 Discriminants
Discriminants What is the discriminant of a quadratic function? How does the discriminant of a quadratic function affect its graph and roots? Forming equations and inequalities using the discrimina...
IB DP Maths: AA SL复习笔记2.2.4 Quadratic Inequalities
Quadratic Inequalities What affects the inequality sign when rearranging a quadratic inequality? The inequality sign is unchanged by... Adding/subtracting a term to both sides Multiplying/dividing ...
AP微积分考试备考重点！
AP微积分，是一门美国大学预修课程，其考试成绩不仅可以抵扣成功申请美国大学的同学们入学后相应课程的学分，还被作为美国各大学录取学生的重要依据，所以考到一个好的分数，成为了很多同学的愿景。好消息是AP微...
IB DP Maths: AA SL复习笔记2.2.3 Solving Quadratics
Solving Quadratics Equations How do I decide the best method to solve a quadratic equation? How do I solve a quadratic equation by the quadratic formula? How do I solve a quadratic equation by fact...
IB DP Maths: AA SL复习笔记2.2.2 Factorising & Completing the Square
Factorising Quadratics Why is factorising quadratics useful? Factorising gives roots (zeroes or solutions) of a quadratic It gives the x-intercepts when drawing the graph How do I factorise a monic...
AP化学考试备考指南！
AP化学考试的学习难点在于其对每个知识点的挖掘都相对比较深，需要同学们在掌握概念和原理的同时，洞悉彼此的关联和考察方式。因此，学习AP化学的同学们可能会遇到的普遍问题是：AP化学需要记忆的知识点类型和数...
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...
