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Line GraphCovid19 has led the world to go through a phenomenal transition . Elearning is the future today. Stay Home , Stay Safe and keep learning!!! The standard equation of line graph is ax + by = c where a and b are the coefficient of x and y and c is the constant term.To draw a graph : It is drawn by converting the given linear equation in the form of y = mx + b where m is the slope and b is the yintercept. 1) Slope = 0 then the line is horizontal line which is parallel to x –axis. When the slope is zero then the equation of line will become y = b where b is any value. 2) Slope = infinitity or undefined then the line is vertical which is parallel to Y axis. When the slope is undefined then the equation of line is x = a where a is any value. 3) The equation of the line is in y= mx + b form. For example x  2y = 6 2y =  x  6 (add x on both sides) y = (x  6)/2 ( divide both side by 2) y = x/2  6/2 y= ½ x +3 Here the slope m = 1/2 and y intercept b= 3 , y intercept means x coordinate is 0 Here first mark 3 on the y axis as the slope is positive ½ so either go up 1 unit up and 2 units to right side from y –intercept or go down 1 unit and 2 units to left. In this way you will get 3 points (including y –intercept) .Join these points and you will get a required graph or a straight line graph. Note : If the slopes of two lines are same the lines are parallel to each other. If the product of slopes is negative 1 (1) then the lines are perpendicular to each other. Home Page Covid19 has affected physical interactions between people. Don't let it affect your learning.
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