algebra vocab crossword

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Across
  1. 3. a whole number
  2. 4. the groups on the graph
  3. 9. operations that undo each other
  4. 11. a number divided into many
  5. 12. same variable raised to the same power
  6. 14. straight or nearly straight line
  7. 15. the little number on top of numbers
Down
  1. 1. a number under 0
  2. 2. a relationship or expression involving one or more variables
  3. 5. multiplied by itself
  4. 6. two ratios or fractions that are equal to each other
  5. 7. symbol representing an unknown value
  6. 8. a u-shaped symmetrical curve on a plane
  7. 10. the bottom of a triangle
  8. 13. rise over run