Translations of Graphs What are translations of graphs? When you alter a function in certain ways, the effects on the graph of the function can be described by geometrical transformations For a tra...
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...
Solving Equations Analytically How can I solve equations analytically where the unknown appears only once? How can I solve equations analytically where the unknown appears more than once? Sometimes...
Exponential Functions & Graphs What is an exponential function? What are the key features of exponential graphs? The graphs have a y-intercept at (0, 1) The graphs do not have any roots For a &...
Reciprocal Functions & Graphs What is the reciprocal function? What are the key features of the reciprocal graph? Linear Rational Functions & Graphs What is a rational function? What are th...
Edexcel IGCSE Chemistry 复习笔记 4.8.3 Condensation Polymers Condensation Polymers Condensation polymers are formed when two different monomers are linked together with the removal of a smal...
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...
Edexcel IGCSE Chemistry 复习笔记 4.8.2 Disposal of Addition Polymers Disposal of Addition Polymers Addition polymers are formed by the joining up of many small molecules with strong C-C bond...
Edexcel IGCSE Chemistry 复习笔记 4.8.1 Addition Polymers Monomers Polymers are large molecules of high relative molecular mass and are made by linking together large numbers of smaller molec...
