X
Pronunciation: /ˈɛks/
X (symbol)
- A symbol used to represent an unknown number or value in mathematics or science.
- A letter used in algebra to stand for a number that can change or vary.
Examples
- In math, 'x' often represents an unknown value.
- 'x' is frequently used in algebra to show an unknown number.
Common collocations: solve for x, substitute x, use x in equations, define x
X (noun)
Examples
- In the equation, x represents an unknown variable.
- The letter x is an algebraic symbol used in mathematics.