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## y-intercept

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

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

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

Feb 28, 2008 ... 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 ...

## Why does the letter b stand for y-intercept - Answers.com

B stands for y-intercept because due to the fact that in math terms... a, b, and c are usually used for constants while x, y, and z are variables, and. ... its not the y and x axis can be any letter in algebra since it represents a variable. 2 people ...

## 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 ...

## 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 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.

## Slope -- from Wolfram MathWorld

mathworld.wolfram.com/Slope.html

Slope. A quantity which gives the inclination of a curve or line with respect to ... Salmon (1960) subsequently used the symbols commonly employed today to give the slope-intercept form of a line ... y, = ax+b. (10). y, = px+q. (11). y, = mx+n. (12) ...

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

www.reference.com

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

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

www.purplemath.com

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, ...