Linear Equations

An equation with two variables is known as a Linear Equation in Two Variables. The general form of the linear equation in two variables is

ax + by + c = 0

where a and b are coefficients and c is the constant. a\ne0 and b\ne0 .

Example

2x + y + 7 = 0

Slope Intercept form

Generally, the linear equation in two variables is written in the slope-intercept form as this is the easiest way to find the slope of the straight line while drawing the graph of it.

The slope-intercept form is

Where m represents the slope of the line and b tells the point of intersection of the line with the y-axis.

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