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Algebra Vocabulary Chapter 1
Glencoe Chapter 1 selected vocabulary
42
Mathematics
8th Grade
08/19/2007

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Term
y coordinate
Definition
The y value of an ordered pair
Term
power
Definition
In an expression x^n is called a :
Term
equation
Definition
A sentence that contains an equals sign
Term
origin
Definition
The point (0,0) where the x and y axis intersect
Term
domain
Definition
The set of the first numbers of ordered pairs
Term
y axis
Definition
The vertical axis
Term
Distributive Property
Definition
For any numbers a, b, and c:
a(b+c)= ab + ac
Term
ordered pair
Definition
A set of numbers or coordinates written in the form (x, y)
Term
x coordinate
Definition
The x value that cooresponds to the x axis
Term
dependent variable
Definition
Quantity graphed on the vertical axis also the range of all values
Term
order of operations
Definition
A rule to let you know which operation to perform first
Term
vertical axis
Definition
Another name for the y axis
Term
Multiplicative Property of Zero
Definition
The product of any number and 0 is equal to 0.
Term
variables
Definition
symbols used to represent unspecified numbers or values
Term
multiplicatives inverses
Definition
reciprocals---2 numbers whose product is 1
Term
Transitive Property of Equality
Definition
For any numbers a, b, and c, if a=b, and b=c, then a=c
Term
Multiplicative Inverse Property
Definition
a/b . b/a = b/a . a/b = 1
Term
term
Definition
a number, variable or a product or quotient of numbers and variables
Term
coordinates
Definition
An ordered pair written in the form (x, y)
Term
multiplicative identity
Definition
7 . n = 7
Term
Symmetric Property of Equality
Definition
For any numbers a and b, if a=b, then b=a
Term
coordinate system
Definition
A function is graphed using this system
Term
Substitution Property of Equality
Definition
If a=b, then a may be replaced by b in any expression
Term
like terms
Definition
Terms that contain the same variables, with corresponding variables having the same power
Term
inequality
Definition
An open sentence that contains the symbol, <, or >
Term
Commutative Property
Definition
The order in which you add or multiply numbers does not change their sum or product
Term
independent variable
Definition
Quantity graphed on the horizontal axis and contains all value of the domain
Term
solution
Definition
The replacement value of an open sentence
Term
Closure Property
Definition
The sum of any two whole numbers is always a whole number
Term
set
Definition
a collection of objects or numbers...often shown using braces and usually named by a capital letter
Term
base
Definition
In the expression x^n...the variable x is called this
Term
relation
Definition
a set of ordered pairs
Term
bar graph
Definition
Compares different categories of numberical information or data
Term
Reflexive Property of Equality
Definition
For any number a, a = a
Term
Associative Property
Definition
For any numbers a, b, and c,
(a + b) + c = a + (b + c)
Term
factors
Definition
The quantities being multiplied
Term
reciprocal
Definition
2 numbers whose product is 1
Term
range
Definition
The set of second numbers of ordered pairs...
Term
exponent
Definition
In the expression x^n...n is called this...
Term
algebraic expression
Definition
one or more numbers and variables along with one or more arithmetic operations...
5x, 3x-7
Term
additive identity
Definition
For any number a, the sum of a and 0 is a
Term
product
Definition
The result of quantities or factors being multiplied
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