Extra Credit Work

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Across
  1. 1. A perfect cube is an integer that is equal to some other integer raised to the third power
  2. 6. A sphere is a geometrical object in three-dimensional space that is the surface of a ball
  3. 8. Any real number that cannot be expressed as the quotient of two integers
  4. 9. A straight line passing from side to side through the center of a body or figure, especially a circle or sphere
  5. 10. Any number that can be expressed as an integer or the quotient of an integer divided by a nonzero integer
Down
  1. 2. The √ symbol that is used to denote square root or nth roots
  2. 3. A three-dimensional geometric shape that tapers smoothly from a flat base to a point called the apex or vertex
  3. 4. A number which produces a specified quantity when multiplied by itself
  4. 5. In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself
  5. 7. A scalar quantity expressing the amount of three-dimensional space enclosed by a closed surface