# Question: What Does X Represent In Math?

## What does X stand for?

Acronym Definition
X 10 (Roman numeral)
X Extra
X Unknown Quantity (variable)
X Experimental (US Military aircraft designation, as in X -1)

## Does X mean multiply?

The multiplication sign, also known as the times sign or the dimension sign, is the symbol ×, used in mathematics to denote the multiplication operation and its resulting product. While similar to a lowercase X ( x ), the form is properly a four-fold rotationally symmetric saltire.

## Why X is used in algebra?

In short it is the English (or Latin) version of the Greek letter χ (chi), which was the first letter of the transliteration of the Arabic word for ‘something’, which was used in the original algebra texts. Since x was commonly used for one unknown, it made sense to use y as a second, and z as a third unknown.

## What 3X means?

Acronym Definition
3X Video Job (police incident code; New Zealand)
3X Triple Extra Large

## What does 4x mean in math?

A Coefficient is a number used to multiply a variable ( 4x means 4 times x, so 4 is a coefficient)

## Why is it called algebra?

The word ” algebra ” is derived from the Arabic word الجبر al-jabr, and this comes from the treatise written in the year 830 by the medieval Persian mathematician, Muhammad ibn Mūsā al-Khwārizmī, whose Arabic title, Kitāb al-muḫtaṣar fī ḥisāb al-ğabr wa-l-muqābala, can be translated as The Compendious Book on Calculation

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## What number is Y in algebra?

2 Answers By Expert Tutors. In pre- algebra, y is a variable. It holds the place of number that we may not know just yet.

## What is 3x mean in math?

The number in front of a term is called a coefficient. Examples of single terms: 3x is a single term. The “3” is a coefficient. The “x” is the variable. -5x.

## What does 3x large mean?

3X means that the waist circumference is three times that of large and tall means just about anything, but will work really well if the guy is 6’5″”! The 3X waist will fit a 52″ waist (Plus). My waist is 42 and a large performs quite nicely.

## What does 2X mean in rap?

It’s like your second chance. Everybody gets a second chance, I get a second chance and my pops get a second chance. I got two boys that are following my footsteps. So that’s the whole meaning behind “ 2x.” 