Equations Vocabulary and Properties
Terms
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- Addition Property of Equality:
- - if you add the same number to each side of an equation, the two sides remain equal. Ex. a, b, and c, if a = b, then a + c = b + c.
- Side (x2), Expression (x2), Member (x2)
- - left ____ and a right ____ ALSO CALLED A left __________ and a right __________ OR A left ______ and a right ______.
- Variable, True
- - to find the value of the ________ that makes the statement ____.
- Subtraction Property of Equality:
- - if you subtract the same number from each side of an equation, the two sides remain equal. Ex. if a, b, and c, if a = b, then a - c = b - c.
- Multiplication Property of Equality:
- - if you multiply each side of an equation by the same number, the two sides remain equal. Ex. a, b, and c, if a = b, then ac = bc.
- Equality
- - mathmatical statement that contains an ________ symbol. An equation states that two phrases are equal in value.
- Variable, Quanity
- - choosing a ________ and a _______ for the variable to represent in an expression or equation.
- Variable, Truth Number, Root
- - the value of the ________ that makes the statement true. Synonyms: _____ ______ & ____.
- Symmetric Property of Equality:
- - if one quantity equals a second quantity, then the second quantity also equals the first. Ex. if a = b then b = a.
- Division Property of Equality:
- - if you divide each side of an equation by the same nonzero number, the two sides remain equal. Ex. a, b, and c, where c = 0, the a/c = b/c.
- Inequality
- - mathmatical statement that contains an __________.