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# Ch.1 - Algebra

TermDefinition
Equation mathematical sentence that uses an equal sign
Simplify replace an expression with its simplest name
Exponent tells how many times a number is used as a factor
Power has two parts - a base and an exponent
Evaluate substitute a given number for each variable
Rational Number numbers like 5, 7.3, -2.994, -1/8
Irrational Number numbers like pi or the square root of 2
Absolute Value distance from zero; written between two vertical bars
Opposites numbers like 5 and -5
Reciprocals 2/3 and 3/2
Like terms have the same variable factors (ex. 11q - q)
Ordered pair Identifies the location of a point ( 2 , 3 )
Coefficient numerical factor when a term has a variable (ex. the 12 in 12y)
Term Number, variable, or product/quotient of a number and variable (ex. 12x + 7y + 3 has three terms)
Order of Operations PEMDAS
Created by: jamred86