G9 Maths Vocab

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Across
  1. 5. - the longest side of a right-angled triangle
  2. 7. - whole numbers, including negative numbers, positive numbers, and zero
  3. 11. - the graph of a quadratic function
  4. 13. figure - the first non-zero digit in the number, counting from the left
  5. 15. set (null set) - the set with no members
  6. 16. numbers - these are numbers that can be written as recurring or terminating decimals
  7. 17. (noun) the bottom number of a fraction
  8. 18. decimals - numbers that have an exact decimal equivalent
  9. 20. equation - an equation with an x2 term and no other higher powers of x.
  10. 21. set - contains all the elements being discussed in a particular problem
  11. 23. decimals - numbers that have a decimal equivalent that repeats itself
  12. 25. function - a function in which the highest power of x is x3
  13. 28. inequality - second-degree expression in x and has a greater than (>) or lesser than (<) inequality
  14. 29. proportion - as one increases, the other increases at the same rate; the ratio between the two quantities is constant
Down
  1. 1. number - a number that has exactly two factors, itself and 1
  2. 2. difference - the difference between consecutive terms in an arithmetic sequence
  3. 3. - the top number of a fraction
  4. 4. - a collection of objects
  5. 6. quadrilateral - a four sided shape that can be inscribed into a circle
  6. 7. triangle - a triangle with two sides of equal length and two equal angles
  7. 8. notation - used with recurring decimals that shows which numbers recur
  8. 9. proportion - as one increases the other decreases at the same rate; for example, as one quantity doubles, the other halves
  9. 10. - a straight line that touches a circle at one point only
  10. 12. series - sum of an arithmetic sequence
  11. 14. - a straight line connecting two points on a circle
  12. 19. sequence - a sequence of numbers in which the difference between consecutive terms is constant with nth term a + (n-1)d
  13. 22. diagram - a diagram representing sets of numbers or objects in circles within an enclosed rectangle
  14. 24. numbers - positive integers {1,2,3,4,...}
  15. 26. (plural) (singular index) (= powers) - a number that tells you how many times the given number is multiplied;
  16. 27. - line from the centre of a circle to the circumference