Coordinate Algebra Crossword Puzzle

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