Mathematical Concepts Flashcards Chapter 1

Front

absolute value

Back

the distance a number is from zero on the number line

Front

accuracy

Back

the nearness of a measurement to the true value of the measure

Front

additive identity

Back

0 is the additive identity. Why? because the sum of any number a and 0 is equal to a.

Front

additive inverses

Back

two numbers with the SUM of 0

Front

algebraic expressions

Back

a mathematical expression that contains at least one variable

Front

base

Back

in a power (exponent), the number being multiplied by itself

Front

closed

Back

If for any members in a set, the result of an operation is also in the set

Front

coefficient

Back

the numerical factor of a term

Front

constant term

Back

a term that does not contain a variable.

Front

define a variable

Back

to choose a variable to represent an unknown value.