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Prealgebra

Key Terms

PrealgebraKey Terms

Key Terms

coefficient
The constant that multiplies the variable(s) in a term is called the coefficient.
composite number
A composite number is a counting number that is not prime.
divisibility
If a number mm is a multiple of nn, then we say that mm is divisible by nn.
equation
An equation is made up of two expressions connected by an equal sign.
evaluate
To evaluate an algebraic expression means to find the value of the expression when the variable is replaced by a given number.
expressions
An expression is a number, a variable, or a combination of numbers and variables and operation symbols.
least common multiple
The smallest number that is a multiple of two numbers is called the least common multiple (LCM).
like terms
Terms that are either constants or have the same variables with the same exponents are like terms.
multiple of a number
A number is a multiple of nn if it is the product of a counting number and nn.
prime factorization
The prime factorization of a number is the product of prime numbers that equals the number.
prime number
A prime number is a counting number greater than 1 whose only factors are 1 and itself.
solution of an equation
A solution to an equation is a value of a variable that makes a true statement when substituted into the equation. The process of finding the solution to an equation is called solving the equation.
term
A term is a constant or the product of a constant and one or more variables.
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