There are many definitions for the line, each of these definitions has to do with the context. The definition in Euclidean geometry and we know from elementary:
"A straight line which lies evenly with the points that are in it"
from the Book of Euclid's Elements.
from the Book of Euclid's Elements.
In this line we were taught that extends indefinitely in both directions, which is infinite and never "turn." In short it is a line "straighter" and infinite.
The definition of "formal" Straight in Analytic Geometry is as follows:
The definition of "formal" Straight in Analytic Geometry is as follows:
"A straight line is the set of all points of the plane where the coordinates of each point obey a first-degree relationship "
Analytic Geometry For the importance of the line is to find the equation that" generates "and this equation is the" relation of first grade, "says the definition.
In conclusion, the line is a function first grade of 2 variables. This function or line equation can be written in several different ways and each way (or form of the line) has a different name. These ways are the following 6 (Further explanation is found in the following files to download):
In conclusion, the line is a function first grade of 2 variables. This function or line equation can be written in several different ways and each way (or form of the line) has a different name. These ways are the following 6 (Further explanation is found in the following files to download):
General Form of Equation of Straight: click here to download .
Canonical Form of the Equation of Straight: click here to download .
Point-Slope Equation of Straight: click here to download .
two-point form of the Equation of Straight: click here to download .
Symmetric Form Equation of Straight: click here to download .
Normal Form of the Equation of Straight: click here to download . Exercises
"Equation of the Line": click here to download .
To open these files you need Microsoft Power Point or Apple Computer Inc. Keynote.
To plot a straight from the equation must find pairs of values. Each pair is a "coordinate". These points together and you get the chart.
plot lines to help you download the following graph: GrafRecta1.0
need to run this plotter LabVIEW Run-Time Engine 7.0 - Windows/2000/98/ME/NT/XP .
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