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## y = mx + b, why is - Math Forum - Ask Dr. Math

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In the slope-intercept formula, y = mx + b, why is 'b' used to represent the y- intercept?

## Why is the y-intercept called b? - MathFour

mathfour.com/algebra/why-is-the-y-intercept-called-b

So we change the basic equation to include the slope notation… y = mx + b .... The y represents numbers that can vary depending on what is used for x. The b is  ...

## Why does "b" stand for "y-intercept"? | Reference.com

www.reference.com/math/b-stand-y-intercept-7edcd75d11f21256

The form y = mx + b of a linear equation is called slope-intercept form because the coefficients m and b represent the slope and y intercept respectively. For any  ...

## The Meaning of Slope and y-Intercept in the Context of Word Problems

www.purplemath.com/modules/slopyint.htm

In the equation of a straight line (when the equation is written as "y = mx + b"), the slope is the number "m" that is multiplied on the x, and "b" is the y-intercept, ...

## "y=mx+b" Why is - Algebra

www.algebra.com/algebra/homework/Graphs/Graphs.faq.question.341887.html

m and b are the most commonly used names for those variables. ... Now for the question: Why is "m" used to represent the slope in a linear equation? From this ...

## In a algebra equation, why does "M" mean slope, and "B" mean y ...

in my Algebra class we are doing slope intercepts, and i was ... line represented like: y=mx + b , and there, m is indeed the slope and b the y-intercept. ... to why they used b...except that the y intercept is the 2nd number in an ...

## Derivation of the "m" in the slope equation

services.math.duke.edu/education/webfeats/Slope/Slopederiv.html

Slope is derived from the Latin root slupan for slip. ... George Salmon (1819-1904 ), an Irish mathematician, used y = mx + b in his _A Treatise on Conic ...

## Graphing Equations and Inequalities - Slope and y-intercept - First ...

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 ...

## "m" for slope?

www.math.ucdenver.edu/~jloats/Student pdfs/30_SLOPE_Nelms.pdf

The first way is the slope-intercept form (y = mx + b) of the linear equation. For this ... -Why is the letter m used to represent slope in the linear equation? Answer:  ...

## The slope-intercept form of a linear equation (Algebra 1, Visualizing ...

www.mathplanet.com/education/algebra-1/visualizing-linear-functions/the-slope-intercept-form-of-a-linear-equation

y = m x + b. Where m is the slope and b is the y-intercept. ... A line that passes through the origin has a y-intersect of zero, b = 0, and represents a direct variation.