Jayce's vocab puzzle

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Across
  1. 1. A pair of numbers used to locate a point.
  2. 3. variable a variable (often denoted by y ) whose value depends on that of another.
  3. 6. The point of intersection of the x-axis and the y-axis.
  4. 8. an angle that measures greater than 90 degrees but less than 180 degrees
  5. 9. The variable for the input of a function.
Down
  1. 2. The distance across a circle through its center
  2. 4. Pairs of operations that undo each other.
  3. 5. The set of whole numbers and their opposites.
  4. 7. A number that cannot be expressed as A divided by B.