Pre-Algebra Chapter 1 Vocabulary

a grid used to locate points

x-coordinates of the relation

the vertical number line

representing a variable with a quantity

second number in an ordered pair

first number in an ordered pair

a⋅\left(b⋅c\right)=a⋅\left(b⋅c\right)

(0 , 0); the point at which the axes intersect

statements that are true for any numbers

an expression containing one variable and at least one mathematical operation

mathematical sentence stating two quantities are equal

the horizontal number line

expression containing combination of numbers and operations such as addition, subtraction, multiplication, and division

finding the numerical value of an expression

a letter or symbol used to represent an unknown value

a\left(b+c\right)=a+\left(b+c\right)

a+b=b+a

a set of ordered pairs

table that lists the x-values (input) and y-values (output)

the branch of mathematics that uses symbols

y-coordinates of the relation

a⋅b=b⋅a

operation(s) performed on the domain value to get the range value

rules to follow when evaluating an expression with more than one operation

plotting a point on a coordinate plane

pair of numbers used to locate a point on the coordinate plane; (x , y)

if a = b then a may be replaced by b

a relation in which each domain value is paired exactly with one range value