My Puzzle

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Across
  1. 2. measure of the steepness of a line, or a section of a line, connecting two points
  2. 5. quantity representing the power to which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression
  3. 6. algebraic expression of the sum or the difference of two terms
  4. 8. An equation where the highest exponent of the variable (usually "x") is a square (2).
  5. 13. the number below the line in a common fraction; a divisor
  6. 15. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
  7. 17. equation that uses symbols for "less than"(<) and "greater than"(>) where an equation uses a symbol for "is equal to" (=).
  8. 18. exponent any nonzero number raised to the power of zero
  9. 19. two lines that are always the same distance apart and never touch
  10. 21. two sets is a collection of ordered pairs containing one object from each set.
  11. 24. unit of angle measure defined such that an entire rotation is
  12. 25. The difference between the lowest and highest values
Down
  1. 1. value the magnitude of a real number without regard to its sign
  2. 3. diagram representing a system of connections or interrelations among two or more things by a number of distinctive dots, lines, bars, etc
  3. 4. A fixed value
  4. 7. number that appears on the top of a fraction.
  5. 9. equation that has three terms which are connected by plus or minus notations
  6. 10. form written down in the way most commonly accepted
  7. 11. line meeting another at a right angle, or 90°
  8. 12. a relationship or expression involving one or more variables
  9. 14. defined by multiple sub-functions
  10. 16. A technique for distributing two binomials
  11. 20. a first-order equation involving two variables
  12. 22. operation whose nature or effect is the opposite of another operation
  13. 23. product of multiplying a number by itself