Notes

Coordinate Geometry 3

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Cartesian Plane The Cartesian plane, named after the mathematician “Rene Descartes”, is plane with a rectangular coordinate system that associates each point in the plane, with an ordered pair (x, y). In an ordered pair (x, y): * x is called the x-coordinate or abscissa. * y is called the y-coordinate or ordinate. Any point ... Read more

Polynomials 2

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Polynomials in One Variable The general form of a polynomial in one variable is represented as p(x) = a_{n} x^{n} + a_{n - 1} x^{n - 1 } + .... a_{1} x^{1} + a_{0} Where: * a_{n} , a_{n - 1} , .... , a_{1} , a_{0} are real numbers, * The exponents of each terms ... Read more

Number Systems 1

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Natural Numbers Counting numbers 1,2,3,4.... are called natural numbers and the collection of natural numbers is denoted by N. Whole Numbers Zero along with the natural numbers represent whole numbers and the collection of Whole number is denoted by ‘W’. Integers Integers are collection of positive and negative numbers including zero and the collection of ... Read more

Chapter 9. Transport

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Means of Transport and Communication * Transport is a key factor that influences India’s rapid economic development. * Means of communication allow people in different locations to connect with each other without actually travelling. * Transport and communication are the true lifelines of trade and economic development. Roadways * The road network in India is ... Read more

Chapter 8. Manufacturing Industries

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Introduction to Manufacturing Industries * The process of using raw material to produce more valuable goods in large quantities is called manufacturing. * Manufacturing industries play a crucial role in the overall and especially economic development of the country. * Agriculture and industry mutually benefits each other. Location and Classification of Industries * The ideal ... Read more

Chapter 7. Agriculture

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Types of Farming Systems of farming practiced in India are:    *  Primitive Subsistence Farming    *  Intensive Subsistence Farming    *  Commercial Farming Primitive Subsistence Farming:    *  Slash-and-burn agriculture or Shifting cultivation Intensive Subsistence Farming    *  Practiced in densely populated areas    *  Every available piece of land is used to get ... Read more

Chapter 6. Minerals and Energy Resources

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Types and Occurrence of Minerals * Minerals are essential for our economic development and personal well-being. * Minerals occur naturally in the earth’s crust * India is a mineral-rich country. * Minerals can be classified as: Metallic Minerals    *  Ferrous minerals    *  Non-ferrous minerals    *  Precious metals * Non-Metallic Minerals    * ... Read more