Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.5.1 Coordinates What are coordinates? When we want to plot a point on a graph we need to know where to put it If the horizontal axis is labelled?x?and the vertical ax...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.4.3 Drawing Graphs - Trig Graphs Why do we need to know what trigonometric graphs look like? Trigonometric Graphs are used in various applications of mathematics – fo...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.4.2 Drawing Graphs -Using a Table How do we draw a graph using a table of values? Use your calculator THINK what the graph might look like – see the previous notes on...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.4.1 Drawing Graphs - Shapes Why do we need to know what graphs look like? Graphs are used in various aspects of mathematics – but in the real world they can take on s...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.3.2 Speed-Time Graphs What is a speed-time graph? Speed-time?graphs show speed at different times Speed is on the vertical axis, and time is on the horizontal axis. &...
What is a distance-time graph? Distance-time?graphs show distance from a fixed point at different times Distance is on the vertical axis, and time is on the horizontal axis. The gradient of ...
英國有一所大學(xué)，在本地人眼里甚至可以和牛津、劍橋相提并論，統(tǒng)稱為“doxbridge” ——它就是杜倫大學(xué)。 杜倫大學(xué)是英格蘭地區(qū)最古老的大學(xué)，也是少有的學(xué)院制學(xué)校，處處流露著貴族氣質(zhì)。很多英國本地的知識(shí)分子喜歡...
The Alveolar Epithelium The exchange of oxygen and carbon dioxide occurs between the alveoli and the capillaries in the lungs Oxygen and carbon dioxide are exchanged in a process of?simple d...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.2.4 Functions - Domain, Range & Exclusions What are functions? Functions are a formal way of writing mathematical expressions eg.?f(x) = 3x + 2?would be a linear ...
Apparatus & Techniques: Three-way Taps Three-way taps can be used in conjunction with potometers and respirometers They?allow for repeat readings to be taken easily, eliminating the need...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.2.3 Inverse Functions What is an inverse function? An inverse function does the exact opposite of the function it came from Eg. if the function “doubles the number an...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 3.2.2 Compound Functions What is a compound function? A compound function is one function applied to the output of another function What do compound functions look like...
