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## y-intercept - Wikipedia

en.wikipedia.org/wiki/Y-intercept

In analytic geometry, using the common convention that the horizontal axis represents a ... one may speak of the I-intercept of the current-voltage characteristic of, say, a diode. (In electrical en...

## Why b for Intercept? - Math Forum - Ask Dr. Math

mathforum.org/library/drmath/view/65307.html

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

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

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

The y-intercept is the value of y where an equation crosses the y-axis and x = 0. ... is called slope-intercept form because the coefficients m and b represent the slope and y intercept respectively. ... How is algebra used in everyday life? Q: ...

## "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 ...

## 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, ...

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

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

Many variations of where the idea of M for slope originated seem to be mostly ... George Salmon (1819-1904), an Irish mathematician, used y = mx + b in his _A ...

## "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.

## 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 ...

## Graphing Equations in Slope Intercept Form

www.montereyinstitute.org/courses/Algebra1/COURSE_TEXT_RESOURCE/U04_L1_T3_text_final.html

The graph below represents any line that can be written in slope intercept form. ... Simply by changing the values of m and b, we can define any straight line.

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

mathfour.com

Nov 20, 2012 ... I've been teaching and tutoring the slope intercept form of the ... I've always thought b was for the y-intercept because a was the variable used for the ... The y represents numbers that can vary depending on what is used for x.

### Why are slope and y-intercept m and b? - Straight Dope Message Board

boards.straightdope.com

The Y-intercept is b because the X-intercept is a, as in the highly-useful but ... are often used to indicate that they're standing for something different than those in ... letters, x, y, z represent the unknown variables and the middle