it means you're multiplying them.
variables
Lots of letters and numbers
Unknowns are represented by letters
it is easier to substitute them for letters because if we used numbers then constants (numbers in algebra that don't have letters) would get mixed up with the algebraic letters. also makes things easier to read and to understand. also, if you don't have all the information, you can use letters to represent what you don't know
it means you're multiplying them.
That is called "algebra".That is called "algebra".That is called "algebra".That is called "algebra".
This is a trick question, isn't it? Algebra has 7 letters--a-l-g-e-b-r-a.
variables
algebra
It has letters instead of numbers.
Lots of letters and numbers
Algebra?
No, they do not. Although it is using letters to represent numbers, Roman numbers are fixed symbols, unlike letters in algebra which represent variables.
all the letters in the alphabet are used to represent variables in algebra. also in some advanced mathematics letters from the greek alphabet are used.
Unknowns are represented by letters
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