Oh, dude, in math, a symbol that represents a quantity is called a variable. It's like a mysterious letter that stands in for a number, kinda like a math magician pulling numbers out of a hat. So, next time you see a letter in a math problem, just remember it's not trying to confuse you, it's just playing the math game.
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It is called a variable.
A math expression is a symbol or combination of symbols that represents a quantity or a relationship between quantities.
it's the symbol for infinity
VARIABLE. When this variable has a fixed number assigned to it and does not change, it is called a "fixed variable".
A letter or symbol used to represent an unknown quantity is typically called a variable. In mathematics, common variables include letters such as ( x ), ( y ), and ( z ). These variables can stand for different values in equations and expressions, allowing for the representation of general cases and relationships between quantities.