CHAPTER 13

Straight Line

13.1  INTRODUCTION

It is a geometric figure designed by a point moving in a fixed direction. It can be given in the form of linear mathematical equation as y = m × x + c, where x and y are the independent and dependent variables, respectively, and m and c are constants referred to as the slope of the line and the y-intercept, respectively.

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13.2  DEFINITIONS OF THE TERMS
  1. Inclination: The angle made by a straight line with the x-axis in the anti-clockwise direction is called the inclination of the straight line.
  2. Slope (Gradient) of a Straight Line: The tangent of the inclination of a straight line is called the slope or ...

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