Algebra One Puzzle

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Across
  1. 3. a number or a product of numbers and variables with whole-number exponents, or a polynomial with one term
  2. 4. system a system of equations that has infinitely many solutions
  3. 6. system a system of equations or inequalities that has no solution
  4. 7. system a system of equations that has exactly one solution
  5. 8. of linear equations a system of equations in which all of the equations are linear
  6. 10. method A method used to solve systems of equations by solving an equation for one variable and substituting the resulting expression into the other equation(s)
  7. 11. a number or expression that is multiplied by another number or expression to get a product
  8. 12. a value that does not change
Down
  1. 1. a monomial or a sum or difference of monomials
  2. 2. system a system of equations or inequalities that has at least one solution
  3. 5. method a method used to solve systems of equations in which one variable is eliminated by adding or subtracting two equations of the system
  4. 9. a polynomial with two terms