IB DP Maths: AI HL复习笔记2.3.5 Sinusoidal Models
Sinusoidal Models What are the parameters of a sinusoidal model? The c represents the phase shift This is a horizontal translation by c units The d represents the principal axis This is the line th...
IB DP Maths: AI HL复习笔记2.3.4 Direct & Inverse Variation
Direct Variation What is direct variation? Two variables are said to vary directly if their ratio is constant (k) This is also called direct proportion The graphs of these models always start at th...
IB DP Maths: AI HL复习笔记2.3.3 Exponential Models
Exponential Models What are the parameters of an exponential model? An exponential model is of the form Where e is the mathematical constant 2.718… The c represents the boundary for the function It...
IB DP Maths: AI HL复习笔记2.3.2 Quadratic & Cubic Models
Quadratic Models What are the parameters of a quadratic model? This is given in the formula booklet as the axis of symmetry What can be modelled as a quadratic model? These can be used if the graph...
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IB DP Maths: AI HL复习笔记2.3.1 Linear Models
Linear Models What are the parameters of a linear model? The m represents the rate of change of the function This is the amount the function increases/decreases when x increases by 1 If the functio...
IB DP Maths: AI HL复习笔记2.2.3 Properties of Graphs
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 Exam Tip ...
IB DP Maths: AI HL复习笔记2.2.2 Graphing Functions
Graphing Functions How do I graph the function y = f(x)? What is the difference between “draw” and “sketch”? If asked to sketch you should: Show the general shape Label any key points such as the i...
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上周末，领科、光剑等20多所国际学校组团招生，一时间仿若回到了3、4月份被疫情偷走的国际学校招生旺季。部分学校也官宣了上周是最后一场招生，一起来看看中考前后国际学校招生考试有没有什么变化？ 领科 虽然领...
