Math Crossword

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Across
  1. 6. a method to solve many terms
  2. 7. 2(5+2)
  3. 10. 2x+2x
  4. 12. 3^2
  5. 13. linear not straight
  6. 14. 4x^3. 3 is what
Down
  1. 1. many terms
  2. 2. everywhere equally distant
  3. 3. 1/2
  4. 4. xyz
  5. 5. two lines touching each other
  6. 8. straight line
  7. 9. a surface of which one end or side is at a higher level than another
  8. 11. form x^5+2x+10+2+1