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AQA A Level Maths: Pure复习笔记3.2.2 Finding the Centre & Radius
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Equation of a Circle What do I need to know about the equation of a circle? A circle with centre?(a,?b)?and radius?r?has the equation ?You need to be able to find the centre and radius of a ...
AQA A Level Maths: Pure复习笔记3.1.4 Modelling with Straight Lines
Modelling with Straight Lines What is modelling with straight lines? Modelling?means applying the mathematics to a?real-life?situation The model is used to?find?or?predict?future values Mode...
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AQA A Level Maths: Pure复习笔记3.1.3 Equation of a Straight Line
Equation of a Straight Line What is the equation of a straight line? y = mx + c?is the equation for any straight line m?is?gradient?given by “difference in?y” ÷ “difference in?x” or?dy/dx c?is the?...
