Coordinate Algebra Crossword Puzzle

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Across
  1. 4. a mathematical sentence that uses an equal sign (=) to show that two quantities are equal
  2. 6. letters used to represent values or unknown quantities that can change or vary
  3. 8. a mathematical sentence that shows the relationship between quantities that are not equivalent
  4. 10. an inequality that has one or more variables
  5. 11. a set of two number lines, called the axes, that intersect at right angles
  6. 13. a rate per one given unit
  7. 14. a quantity that does not change
Down
  1. 1. a value that makes the equation true
  2. 2. labeled on the y-axis
  3. 3. terms terms that contain the same variables raised to the same power
  4. 5. the number multiplied by a variable in an algebraic expression
  5. 7. the factor being multiplied together in an exponential expression
  6. 9. something that can be compared by assigning a numerical value
  7. 11. a restriction or limitation on either the input or output values
  8. 12. a ratio that compares different kinds of units