Pairs of numbers whose product is 1:
1/3 and 3 are reciprocals.
The answer to a division problem.
The answer to an addition problem.
Given several denominators, the smallest expression that is divisible by all the denominators is called the least common denominator.
A whole number and a fraction written together and understood to be their sum.
The answer to a subtraction problem.
A number that indicates how many times a factor is repeated:
Given 23 the exponent is three.
The number that is a repeated factor when written with an exponent:
Given 23 the base is two.
A number or letter (variable) written with an exponent:
Examples: 23 or x6.
Parentheses, ( ), square brackets, [ ], or fraction bars.
A variable is a symbol used to represent an unknown number:
In the term 3x the variable is x.
Any collection of numbers or variables joined by the basic operations of addition, subtraction, multiplication, or division (except by zero), or the operation of taking roots.
A statement that two algebraic expressions are equal:
Example: 4x = 5y.
Any replacement for the variable that makes the equation true.
A collection of objects.