Systems of equations and inequalities

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Across
  1. 3. system / a system that has no solution
  2. 4. system / has infinitely many solutions
  3. 6. of a system of linear equations / two variables is an ordered pair that satisfies each equations in the system
  4. 9. / systems at least one solution
Down
  1. 1. of linear inequalities / a set of two or more linear inequalities containing two or more variables
  2. 2. system / has exactly one solution
  3. 5. of a system of linear inequalities / consisted of all the ordered pairs that satisfy all the linear inequalities in the systems
  4. 7. of linear equations / a set of two or more linear equations containing two or more variables
  5. 8. inequalities / similar to a linear equation, but the equal sign is replaced with an inequality symbol