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Carnegie Chapter 9

TermDefinition
inequality Any mathematical sentence that has an inequality symbol.
graph of an inequality The set of all points on a number line that make the inequality true.
solution set of an inequality The set of all points that make an inequality true.
ray Begins at a starting point and goes on forever in one direction.
one step equation An equation that can be solved using only one operation.
solution Any value for a variable that makes the equation true.
inverse operations Pairs of operations that undo each other. Division and Multiplication. Addition and Subtraction.
Properties of Equality for Addition and Subtraction The Properties of Equality allow you to balance and solve equations involving any number. Addition Property of Equality If a = b, then a + c = b + c. Subtraction Property of Equality If a = b, then a-c = b-c
Properties of Equality for Multiplication and Division The Properties of Equality allow you to balance and solve equations involving any number. Multiplication Property of Equality If a = b, then ac = bc. Division Property of Equality If a = b, and c isn't 0, then a/c = b/c
homonyms Words that have the same spelling and the same pronunciation, but have different meanings.
dependent quantity When one quantity depends on another in a problem situation.
independent quantity The quantity on which it depends on.
independent variable The variable that represents the independent quantity.
dependent variable The variable that represents the dependent quantity.
Created by: molnarmath