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algebra
vocab
| Term | Definition |
|---|---|
| inverse operations | two operations that undo each other |
| equivalent equations | equations that have the same solutions |
| addition property of equality | adding the same number to each side of an equation produces an equivalent equation |
| subtraction property of equality | subtracting the same number to each side of and equation produces an equivalent equation |
| multiplication property of equality | multiplying each side of an equation by the same nonzero multiplier produces an equivalent equation |
| division property of equality | dividing each side of an equation by the same nonzero number produces an equivalent equation |
| identity | an equation that is true for all values of the variable |
| distributive property | a property that can be used to fine the product of a number and a sum or difference |
| like terms | terms that have the same variable parts. constant terms are also like terms |
| formula | an equation that relates two or more quantities |
| reciprocal | mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity. |
| variable | a letter that is used to represent one of more numbers |
| algebraic expression | an expression that includes at least one variable |
| power | an expression that represents repeated multiplication of the same factor |
| exponent | the number or variable that represents the number of times the base power is used as a factor |
| base of a power | the number or expression that is used as a factor in a repeated multiplication |
| open sentence | an equation or an equality that contains an algebraic expression |
| equation | a mathematical sentence formed by placing the symbol = between to expressions |
| inequality | a mathematical sentence formed by placing on of the symbols <,> between two expressions |