MATHS quiz

1234567891011121314151617181920
Across
  1. 3. Operation symbolized by ÷ (6)
  2. 5. Line segment from the center to the circle (6)
  3. 6. Shape with three sides (8)
  4. 7. The result of addition (3)
  5. 8. A rectangular array of numbers arranged in rows and columns (6)
  6. 10. Result of multiplying a number by itself (6)
  7. 12. The product of all positive integers up to a given number (8)
  8. 14. The result of multiplication (7)
  9. 16. The vector of partial derivatives of a scalar function (8)
  10. 17. Divisible by 2 (4)
  11. 19. The slope of a tangent line to a curve at a point (10)
  12. 20. The measure of the likelihood of an event occurring (11)
Down
  1. 1. A number greater than 1 that has no divisors other than 1 and itself (5)
  2. 2. The arrangement of items in a specific order (10)
  3. 4. A unit of angle measure based on the arc length (6)
  4. 9. A line that a graph approaches but never touches (9)
  5. 11. A conic section with two branches, formed when a plane cuts both nappes of a cone (9)
  6. 13. The area under a curve, fundamental in calculus (8)
  7. 15. Not even (3)
  8. 18. Fixed value in equations (8)