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## List of mathematical symbols

en.wikipedia.org/wiki/List_of_mathematical_symbols

This is a list of symbols found within all branches of mathematics to express a formula or to ... Symbols based on equality "=": Symbols derived from or similar to the equal sign, includin...

## Mathematical symbols list (+,-,x,/,=,<,>,...) - RapidTables.com

www.rapidtables.com/math/symbols/Basic_Math_Symbols.htm

List of all math symbols and meaning - equality, inequality, parentheses, plus, minus, times, division, power, ... inequality, greater than or equal to, 5 ≥ 4 ... |x-y|, distance, distance between points x and y, | x-y | = 5 ..... there does not exists.

## x- and y-Intercepts - Purplemath

www.purplemath.com/modules/intrcept.htm

Explains how to find and recognize x- and y-intercepts, and some of the ... The x- intercepts are where the graph crosses the x-axis, and the y-intercepts are ... ... and ask you to find the "solutions", you'll know that they mean "find the x- intercepts", ... in their use of the mathematical terms, and they never g...

## Algebra Problem - Math Forum - Ask Dr. Math

mathforum.org/library/drmath/view/57262.html

If 10y=1 and 10x=1, what is the value of x+y? ... Think about what that means. If you read it out loud, you'll say "ten times y equals one." In other ...

## What is a Function - Math is Fun

www.mathsisfun.com/sets/function.html

f(x). We say "f of x equals x squared". what goes into the function is put inside parentheses () after the name of the ... And we usually see what a function does with the input: f(x) ... means that every element in X is related to some element in Y.

Jul 14, 2011 ... In this video I try to explain what a function in maths is. I once asked myself, why keep writing y=f(x) and not just y! ... It's a placeholder - it doesn't do anything but it does represent something. ... So, f can represent very many different things. f=2x +2y means an operation where you add each x & y va...

## Direct Variation - Free Math Help

www.freemathhelp.com/direct-variation.html

... ratio directly vary. Learn more about direct variation with this free math lesson. ... The equation y x = 6 states that y varies directly as x, since the ratio of y to x ( also written y:x) never changes. ... What does this mean? ... The equation y = k x is a special case of linear equation ( y = m x + b ) where the y-intercept equal...

## Less than, Equal to, Greater Than Symbols - Interactive Mathematics ...

www.cut-the-knot.org/arithmetic/Less-Equal-Greater.shtml

... 1 + 1 = 2. So, being equal, does not necessarily mean being the same. ... For example, (x + y)² = x² + 2xy + y² is a statement that is not supposed to be solved.

## Algebra - Definitions - Math is Fun

www.mathsisfun.com/algebra/definitions.html

That equation says: what is on the left (x + 2) is equal to what is on the right (6) ... A Coefficient is a number used to multiply a variable (4x means 4 times x, so 4 is a coefficient) ... Example: y<sup>4</sup>z<sup>2</sup> is easier than y × y × y × y × z × z, or even yyyyzz ...

## x- and y-Intercepts - uri=cs.selu - Southeastern

cs.selu.edu/~rbyrd/math/intercept/

### X equals Y - English Language & Usage - Stack Exchange

english.stackexchange.com

Aug 16, 2013 ... What's the subtle difference between X equals Y and X is equal to Y? ... They mean exactly the same thing in mathematics. I prefer X equals ... "X is equal to Y" does have a bit more emphasis if you're affirming the fact, though.

### What does y= f(x) actually mean? - Math Central

mathcentral.uregina.ca

Question from John, a student: I don't understand how to pick coordinates for y=f( x). I took a look at your answer to a previous question here:.

### Functions and linear equations (Algebra 2, How to graph functions ...

www.mathplanet.com

... of a specified type. It is common to name a function either f(x) or g(x) instead of y. f(2) means that we should find the value of our function when x equals 2.