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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 |