Algebra B chapter one vocab

algebraic expression

consists of sum and/ or products of numbers and variable

variables

are symbols used to represent unspecified number or values

term

may be a number, a variable or a product of a number and variable

power

an expression of the from, X^n

exponent

in the expression X^n, it is the n. It indicates the number of times x is used as a factor

base

in the expression x^n, it is the x

evaluate

find the expression's value

order of operations

PEMDAS

commutative property

the order of an addition or multiplication problem does not matter

Associative Property

the grouping of an addition or multiplication problem does not matter

Identity Property

adding zero or ,multiplying by 1 doesn't change the value

inverse property

adding the opposite or multiplying the reciprocal will always equal 0 or 1

property of zero

multiplying by 0 always equals zero

distributive property

multiplying the number outside parentheses to every term inside parenthesis

like terms

are terms that contain the same variables, with corresponding variables having the same power

simplest form

is when an expression contains no like terms or parentheses

coefficient

in a term with a variable, it is the numerical value