test crossword for skool

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Across
  1. 3. All the possible arrangements of a collection of things, where the order is not important
  2. 7. Given the hypotenuse and the adjacent, to find x what trigonometry is used?
  3. 9. What formula is b2-4ac?
  4. 12. All the possible arrangements of a collection of things, where the order is important
  5. 13. A fancy way of checking whether an expression that involves a polynomial is equal to another expression.
  6. 14. A line that divides something to two equal parts.
Down
  1. 1. Method used to determine the nature of a point. Whether it is maximum or minimum.
  2. 2. The rule of differentiation for fractions
  3. 4. Hence, evaluate how many times more or does an average American made compared to an average Chinese salary.
  4. 5. If the equation of the curve is given and the coordinates of the area are given, what method is used to find the area under the curve? (shaded region)
  5. 6. Given the equation of the curve Y=5-6x+x2, find the coordinate and determine whether the nature of the point is maximum or minimum.
  6. 8. Given the hypotenuse and opposite, to find x what trigonometry is used?
  7. 10. The opposite and adjacent is given, to find x what is the trigonometry
  8. 11. Equation of a straight line.