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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
Note 
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