en.wikipedia.org/wiki/Linear_equation

A linear equation is an algebraic equation in which each term is either a constant or the product ... A simple example of a linear equation with only one variable, x, may be written in the form: ax + b = 0, where a and b are constants and a ≠ 0. .... It may be helpful to think about this in terms of y = b + mx; where the line passes ...

www.mathsisfun.com/equation_of_line.html

Equation of a Straight Line y=mx+b. Slope (or ... the line is). b = the Y Intercept ( where the line crosses the Y axis) ... For example, when x is 1: y = 2×1 + 1 = 3.

www.math.com/school/subject2/lessons/S2U4L2GL.html

Every straight line can be represented by an equation: y = mx + b. ... of any straight line, called a linear equation, can be written as: y = mx + b, where m is the slope of the line and b is the y-intercept. ... First Glance, In Depth, Examples, Workout.

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Example. Problem. Write the equation of the line that has a slope of and a y- intercept of −5. Substitute the slope (m) into y = mx + b. Answer. or. Substitute the ...

mathforum.org/cgraph/cslope/mxplusb.html

y = mx + b. We just figured out that a line with a slope of 3 and a y-intercept of 2 has the equation y = 3x + 2. What if we want to know the equation for this line?

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In the equation of a straight line (when the equation is written as "y = mx + b"), .... In the example from above, the y-intercept would be the population when the ...

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Covers the 'slope-intercept', or 'y = mx + b', form of straight-line equations. ... first for "b") if I have a point and the slope; that's what I did in the previous example.

www.mathwarehouse.com/algebra/linear_equation/slope-intercept-form.php

Since the slope of a horizontal line is 0, the general formula for the standard form equation , y = mx + b becomes y = 0x +b y = b. Also,since the line is horizontal, ...