en.wikipedia.org/wiki/Linear_equation

A linear equation is an algebraic equation in which each term is either a constant or the product .... It may be helpful to think about this in terms of y = b + mx; where the line passes through the point (0, b) and extends to the left and right at a ...

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?

www.mathsisfun.com/equation_of_line.html

Equation of a Straight Line. The equation of a straight line is usually written this way: y = mx + b. (or "y = mx + c" in the UK see below) ...

www.khanacademy.org/math/algebra/two-var-linear-equations/slope-intercept-form/v/slope-intercept-form

Slope-intercept form, y=mx+b, of linear equations, emphasizes the slope and the y-intercept of the line. Watch this video to learn more about it and see some ...

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

Every straight line can be represented by an equation: y = mx + b. The coordinates of every point on the line will solve the equation if you substitute them in the ...

www.purplemath.com/modules/strtlneq.htm

Covers the 'slope-intercept', or 'y = mx + b', form of straight-line equations.

www.coolmath.com/algebra/08-lines/07-equations-of-lines-slope-intercept-form-01

This form is my favorite because, if you know what the pieces are, it's SUPER easy to graph! Here are the pieces: y = mx + b, the slope is m and the y-intercept is.