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# Algebra Vocab Unit 1

### Algebra - Unit 1 Vocabulary - Expressions, Inequalities and Equations

Algerbraic Expression An expression that includes at least one variable
Factors In a multiplication expression, the quantities (numbers and variables) being multiplied
Product The result of multiplication
Base The number or expression that is used as a factor in repeated multiplication
Exponent The number or variable that represents the number of times the base power is used
Evalute an Algerbraic Expression To find the value of an algebraic expression by substituting a number for each variable and performing the operation.
Variable A letter that is used to represent one or more numbers
Power An expression that represents repeated multiplication of the same factor
Terms of an Expression The parts of an expression that are added together
Quantity Something that serves as the object of an operation
Order of Operation Rules for evaluating an expression involving more than one operation
Equations A mathematical sentence formed by placing the symbol = between two expressions
Inequality A mathematical sentence formed by placing one of the symbols ≥ ≤ › ‹
Open Sentence An equation or an equality that contains algerbraic expression
Solution of the Equation or Inequality A number that produces a true statement when substituted for the variable in an equation/ inequality
Replacement Set A set of numbers from which replacements for a varialbe may be chosen
Solution Set The set of all replacements for the variable in an open sentence that results in a true sentence
Set A collection of distinct objects
Reciprocal The multiplicative inverse of a number
Coefficient The number part of a term with a variable part
Like Terms Terms that have the same variable parts - Constant terms are also like terms
Simplest Form An expression is in the simplest form when it is replaced by an equivalent expression having no like terms and no parenthese
Equivalent Expressions Two expressions that have the same value for all values in the variable
Created by: tms lse