IB DP Maths: AI SL复习笔记3.1.1 Coordinate Geometry
Basic Coordinate Geometry What are cartesian coordinates? Cartesian?coordinates are basically the?x-y?coordinate system They allow us to label where things are in a two-dimensional plane In the 2D ...
IB DP Maths: AI SL复习笔记2.3.6 Strategy for Modelling Functions
Modelling with Functions What is a mathematical model? A?mathematical model?simplifies a real-world situation so it can be described using mathematics The model can then be used to make predictions...
IB DP Maths: AI SL复习笔记2.3.5 Sinusoidal Models
Sinusoidal Models What are the parameters of a sinusoidal model? A?sinusoidal model?is of the form The?a?represents the?amplitude?of the function The bigger the value of?a?the bigger the?range?of v...
IB DP Maths: AI SL复习笔记2.3.4 Direct & Inverse Variation
Direct Variation What is direct variation? The graphs of these models always?start at the origin How do I solve direct variation problems? Worked Example b)Find the time it takes to order a list of...
IB DP Maths: AI SL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 SL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...
IB DP Maths: AI SL复习笔记2.3.1 Linear & Piecewise 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 SL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 SL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...
