Are you smarter than a 10th grader?

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Across
  1. 1. F(x)
  2. 4. n (Set Notation)
  3. 7. Sets like this are an example of … {x: √(x - (x + 1), x ∈ R} (... sets)
  4. 9. Cardinality > Natural numbers (2 words)
  5. 11. A graph with straight line (2 words)
  6. 13. All the possible answer to a question
  7. 15. ‘ (Set Notation)
  8. 19. Equations with the variable x^2
  9. 22. OOO but overlapping (2 Words)
  10. 25. A type of numbers that fulfill this equation | When 7x < 71^2 - 5041
  11. 26. When you pass 0 on an axis (x/y…)
  12. 27. A=P(1+r/n)^nt
  13. 29. What do you call (AuB)’ = A’ n B’ (...Law)
  14. 31. Rational + Irrational = … numbers
  15. 32. When bank give you 5% of your initial savings per year
  16. 35. A collection of well defined elements
  17. 36. When you flip a cake upside down, but in math
  18. 37. Symbols, usually letters, that represents a value in math
  19. 38. Numbers that can be expressed without a . in a base 10 system
  20. 40. Numbers that can be expressed in a fraction
  21. 41. Irrational roots
Down
  1. 2. It contains all given elements (... sets)
  2. 3. x is an example of this, when 4x = √32
  3. 5. What do you call y in y^x
  4. 6. What does this symbol mean? ∝
  5. 8. %Change (2 Words)
  6. 10. Collectively, what do all these symbols mean? <≠>
  7. 12. Standardizing an expression
  8. 14. Numbers that can be divided by x when x = y, y being the number itself and 2z+e^ipi when 3^4z-9 = 1/243
  9. 16. The relation between 2 different sets
  10. 17. The square root of -sin^2x + -cos^2x
  11. 18. ⊆ (Set Notation)
  12. 20. √f(x) < Q(x)
  13. 21. 4x + 16 can be simplified by….
  14. 23. Another word for exponents
  15. 24. When k is always equals to 8
  16. 28. u (Set Notation)
  17. 30. Equations with answer that starts with In….d
  18. 33. Variables together with no equality or inequality sign
  19. 34. Imaginary + real = … numbers
  20. 35. In the equation y=mx, what is m?
  21. 39. Synonym of counting numbers