4 Ivan Sevast 9B1

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Across
  1. 2. - a rectangular array of numbers, which can be added, subtracted and multiplied, and used to represent linear transformations and vectors, solve equations, etc.
  2. 4. – a line with coordinates.
  3. 6. - a mathematical structure consisting of a set together with an operation that combines any two of its elements to form a third element, e.g. the set of integers and the addition operation form a group.
  4. 9. – a measure of amount of substance.
  5. 10. - a type of conic section curve, any point of which is equally distant from a fixed focus point and a fixed straight line.
  6. 11. – a group of elements.
  7. 13. - Set A is a subset of set B if all of the elements of set A are contained in set B
  8. 16. – when a is divisible by b, b is a’s divisor.
  9. 18. – size of something.
  10. 22. - A mathematical sentence built from expressions using one or more of the symbols <, >, ≤, or ≥.
  11. 23. – all elements from the first set without elements from another one.
  12. 24. – force over the time interval for which it acts.
  13. 29. - A mathematical sentence built from expressions using one or more equal signs.
  14. 31. - a measure of voltage.
  15. 34. - a mathematical statement or hypothesis which has been proved on the basis of previously established theorems and previously accepted axioms, effectively the proof of the truth of a statement or expression.
  16. 35. - the branch of mathematics that studies the relationships between the sides and the angles of right triangles, and deals with and with functions (sine, cosine, tangent and their reciprocals).
  17. 38. – a is b’s nth root when a*a*a… n times is equal to b and a is positive.
  18. 40. – a line segment with both endpoints on a circle.
  19. 41. – a measure of mechanical work.
  20. 44. - a branch of mathematics that uses symbols or letters to represent variables, values or numbers, which can then be used to express operations and relationships and to solve equations.
  21. 45. - Any mathematical calculation or formula.
  22. 46. - a collection of distinct objects or numbers, without regard to their order, considered as an object in its own right.
Down
  1. 1. - a rule or equation describing the relationship of two or more variables or quantities, e.g. A = πr2
  2. 3. – a measure of pressure.
  3. 5. – opposite side(leg) / hypotenuse in a right triangle.
  4. 7. - a physical quantity having magnitude and direction, represented by a directed arrow indicating its orientation in space.
  5. 8. – a set which elements can be put into one-to-one correspondence with the set of points on a line segment.
  6. 12. - a number that will divide into another number exactly, e.g. the factors of 10 are 1, 2 and 5.
  7. 13. - A transformation in which a figure grows larger.
  8. 14. – adjacent side(leg) / hypotenuse in a right triangle.
  9. 15. – a characteristic of a resistor which shows how well will electricity pass him.
  10. 17. - a member of, or an object in, a set.
  11. 19. – all elements from two sets.
  12. 20. - A transformation in which a figure grows smaller.
  13. 21. - a branch of mathematics involving derivatives and integrals, used to study motion and changing values.
  14. 24. - a quantity or set of numbers without bound, limit or end (represented by the symbol ∞).
  15. 25. - the point towards which a series or function converges, e.g. as x becomes closer and closer to zero, (sin x)⁄x becomes closer and closer to the limit of 1.
  16. 26. – change of the angle of incidence when light goes into another medium.
  17. 27. - A figure that is self-similar.
  18. 28. - a step by step procedure by which an operation can be carried out.
  19. 30. – all common elements from two sets.
  20. 32. – a measure of force.
  21. 33. - a smooth symmetrical curve with two branches produced by the section of a conical surface.
  22. 36. – product of the mass and velocity of an object.
  23. 37. - A list of numbers set apart by commas.
  24. 39. - The first coordinate in an ordered pair.
  25. 42. - the study of the formal laws of reasoning.
  26. 43. – a measure of power.