Rational Numbers Unit Vocab

Front

coefficient

Back

a number multiplied by a variable in an algebraic expression

(Ex. 6a)

Front

constant

Back

a number whose value does not change  (Ex.  9+a;  9 is the constant)

Front

inverse operations

Back

operations that undo each other when solving algebraic equations

Front

Least common denominator

Back

the smallest common multiple of all

                   denominators  (Ex.  14+35;  least common denominator is 20)

Front

opposites

Back

numbers that are the same distance from zero

Front

Rational numbers

Back

any number that can be written as a fraction

Front

reciprocal

Back

the division of 1 by a number. When a number is multiplied by

        its reciprocal, the product is always 1  (Ex. 3 and 1/3 are reciprocals)

Front

relatively prime

Back

when two or more numbers have a greatest common

     factor of 1 (this is also how you know that a fraction is in

 simplest form)

Front

variable

Back

a letter that replaces a missing number