Inequalities Terms

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Across
  1. 2. A term used to join a pair of inequalities in a compound inequality.
  2. 7. A combination of more than one inequality.
  3. 9. inequalities that have the same solution.
  4. 10. An algebraic or numerical inequality that contains several operations
  5. 11. A set with no elements, shown with the symbol {}
  6. 12. The set of values that makes an open sentence true.
Down
  1. 1. A mathematical sentence that uses the comparison symbols
  2. 3. The set of all possible numbers that can be used to replace the variable.
  3. 4. The point on a number line where the graph of a linear inequality in one variable starts.
  4. 5. A set with no elements, shown with the symbol 0 with a slash.
  5. 6. A line that separates a coordinate plane into half-planes.
  6. 8. The set of all possible input values
  7. 13. A term used to indicate that at least one of a pair of inequalities in a compound inequality is true.