Algebra cross word

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Across
  1. 3. The result of multiplying a number by itself
  2. 4. The inverse of squaring a number
  3. 7. A symbol, usually a letter, used to represent an unknown value
  4. 10. A term with no variable
  5. 12. A mathematical sentence with an equals sign
  6. 13. To find the value of the variable
  7. 15. The number in front of a variable
  8. 16. A math expression made of terms added or subtracted
Down
  1. 1. A number multiplied by itself three times
  2. 2. A method used to find solutions to ax² + bx + c = 0
  3. 5. The highest exponent of a variable in a polynomial
  4. 6. A number that multiplies by itself to make another number
  5. 8. An algebraic expression with two terms
  6. 9. The process of breaking down an expression into simpler parts
  7. 11. Simplify: 2x + 5x = __x
  8. 14. An equation where the highest exponent is 1