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Chapter 3 Math
Writing and Graphing Inequalities
Term | Definition |
---|---|
inequality | a mathematical sentence that compares expressions |
solution of inequality | a value that makes an inequality true |
solution set | the set of all solutions of an inequality |
graph of an inequality | a graph that shows all of the solutions of an inequality on a number line |
compound inequality | an inequality formed by joining two inequalities with the word "and" or the word "or" |
absolute value inequality | an inequality that contains an absolute value expression |
linear inequality in two variables | an inequality that is the result of replacing the equal sign in a linear equation with <, <=, >, or >= |
solution of a linear inequality | an ordered pair (x,y) that makes a linear inequality true |
graph of a linear inequality | a graph in two variables that shows all of the solutions of an inequality in a coordinate plane |
half-planes | in a coordinate plane, the regions on either side of a boundary line |