Math math and more math

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Across
  1. 4. goes out of a function
  2. 6. line test something that has to pass the test
  3. 7. y value
  4. 9. variable is on its own
  5. 10. expression or law
Down
  1. 1. a shape
  2. 2. rise over run
  3. 3. x value
  4. 5. variable not on it’s own
  5. 8. goes into a function