Systems of Equations

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Across
  1. 4. plot or trace on a graph
  2. 8. 3x + 5 = 3x - 5
  3. 11. putting numbers in place of letters to calculate the value of an expression
  4. 12. inputs
  5. 13. numbers that are the exact same distance away from 0, but on opposite sides
  6. 14. a linear equation has the same variable term and the same constant value on both sides of the equation
Down
  1. 1. a symbol and placeholder for a quantity that may change
  2. 2. a formula that expresses the equality of two expressions, by connecting them with the equal sign
  3. 3. you solve the equation and get a variable equal to a number
  4. 5. unchanging
  5. 6. an algebraic equation that takes you two steps to solve
  6. 7. an equation that takes two or more steps to solve
  7. 9. where you eliminate one of the variables by adding the two equations
  8. 10. outputs