Straight Line Theory PDF
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This document provides definitions and various equations for straight lines, including slope form, point-slope form, slope-intercept form, and intercept form. It also covers parallel and perpendicular lines and methods for finding the intersection point of two lines. It seems to be a set of notes or a chapter from a math textbook related to straight line theory.
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Definition Slope (Gradient) of a Line ...
Definition Slope (Gradient) of a Line Equations of Straight line in Different forms (1) Slope form : (2) One point form or Point slope form : (3) Slope intercept form : (4) Intercept form : (5)Two point form: (6) Normal or perpendicular form : (7) Symmetrical or parametric or distance form of the line : Equation of Parallel and Perpendicular lines to a given Line General equation of a Straight line and its Transformation in Standard forms (1) Slope intercept form: (2) Intercept form : (3) Normal form : Selection of Co-ordinate of a Point on a Straight line 2.7 Point of Intersection of Two lines General equation of Lines through the Intersection of Two given Lines Angle between Two non-parallel Lines. (1) Angle between two straight lines when their equations are given : Equation of Straight line through a given point making a given Angle with a given Line A Line equally inclined with Two lines m1 m m m 2 1 m1m 1 m 2 m Note Equations of the bisectors of the Angles between two Straight lines (1) To find the acute and obtuse angle bisectors (2) Method to find acute angle bisector and obtuse angle bisector Length of Perpendicular (1) Distance of a point from a line : (2) Distance between two parallel lines : Position of a Point with respect to a Line Position of Two points with respect to a Line Concurrent Lines Reflection on the Surface Image of a Point in Different cases (1 (2 (3) The image of a point with respect to the line : 2.19 Some Important Results