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Earn +20 ptsQ: Why do people use x as the variable in algebra?
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What do you use to represent a variable in algebra?
Any letter in the alphabet can be used to represent a variable in algebra.
What is x in mathematics?
It is the multiplication operator. X is also probably the most commonly used letter for representing a variable in algebra and calculus. I was taught to always use a cursive x when representing a variable.
Why do they have a multiplication sign?
Why algebra has a different multiplication sign is because they don't want to mix up the American multiplication sign with the variable x. So they use a centered dot for algebra instead of this: x.
What branch of maths solves for x?
It is usually algebra whereas x is an unknown variable.
What is the variable in 3x2y in algebra?
They are: x and y and the expression can be simplified to 6xy
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