Ch 1 The Language of Algebra

21 terms · Glencoe McGraw-Hill

algebraic expression

An expression consisting of one or more numbers and variables along with on or more arithmetic operations

coefficient

The numerical factor of a term

equation

A mathematical sentence stating that two expressions are equal

equivalent expressions

Expressions that have the same value or that have the same mathematical meaning for all replacement values of their variables

evaluating

Finding the value of an expression

factors

are the quantities being multiplied.

formula

An equation that states a rule for the relationship between between certain quantities

like terms

they contain the same variables raised to the same power

numerical expression

a mathematical expression that has a combination of numbers and at least one operation

order of operations

doing parentheses, exponents, multiplication, division, addition, subtraction, and reading the equation or expression from left to right.

product

the result obtained by multiplying two or more numbers or variable

quotient

the result obtained by dividing two or more numbers or variable

simplest form

is an equivalent expression having no like terms or parentheses

simplify

write an expression in simplest form

term

an number, a variable, or a product or quotient of numbers and variables

variable

a letter or other symbol used to represent an unspecified number or value

whole numbers

the set {0, 1, 2, 3, .......}

data

numerical information gathered for statistical purposes

frequency table

A table of tally marks used to record and display how often events occur

histogram

a bar graph in which the data are organized into equal intervals. The height of the bar represents the frequency in that interval.

line graph

numerical data displayed to show trends or changes over time