WGA Grade 9 Mathematics - Tranche A

Patrick M.
33 words 20 learners

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Full list of words from this list:

words only definitions & notes
  1. mean
    an average computed by adding some function of the numbers
  2. difference
    the number that remains after subtraction
  3. check
    examine to determine accuracy or quality
  4. sum
    a quantity obtained by the addition of a group of numbers
  5. slope
    the property of a line that departs from the horizontal
    Change in y divided by change in x.
    Some people remember slope by thinking "rise over run", which is the same as change in y divided by change in x.
  6. pattern
    a repeated design, structure, or arrangement
    Math is the study of patterns.
  7. solve
    find the answer to or understand the meaning of
  8. probability
    a measure of how likely it is that some event will occur
  9. statistics
    a branch of mathematics concerned with quantitative data
  10. hypothesis
    a tentative insight that is not yet verified or tested
  11. bias
    a partiality preventing objective consideration of an issue
  12. geometry
    the mathematics of points and lines and curves and surfaces
  13. simplify
    make easier or reduce in complexity or extent
  14. median
    relating to or situated in or extending toward the middle
  15. variance
    the quality of being subject to change
  16. exponent
    notation of how many times to multiply a quantity by itself
  17. algebra
    the mathematics of generalized arithmetical operations
  18. theorem
    an idea accepted as a demonstrable truth
  19. hieroglyph
    a symbol in a pictorial writing system
  20. quotient
    the number obtained by division
  21. exponential
    a function in which an independent variable is a power
  22. quadratic
    of or relating to the second power
  23. quadratic equation
    an equation in which the highest power of an unknown quantity is a square
  24. independent variable
    a value that does not depend on changes in other values
  25. standard deviation
    the square root of the variance
  26. Rene Descartes
    French philosopher and mathematician
  27. dependent variable
    a quantity whose value depends on another quantity
  28. normal distribution
    a theoretical distribution with finite mean and variance
  29. irrational number
    a real number that cannot be expressed as a rational number
    for example, the square root of 2, 3 and 5 are irrational numbers, as is Pi.
  30. arithmetic mean
    the sum of the values of a random variable divided by the number of values
  31. hieratic script
    a cursive form of Egyptian hieroglyphics
    The first Algebraic equations were found on the "Rhind Papyrus".
    We solved one of the problems from the Rhind Papyrus in one of the first classes of the year.
  32. frequency distribution
    a distribution of observed frequencies of occurrence of the values of a variable
  33. Cartesian coordinate system
    a coordinate system for which the coordinates of a point are its distances from a set perpendicular lines that intersect at the origin of the system
Created on Fri Aug 24 00:21:30 EDT 2012 (updated Mon Oct 22 02:01:37 EDT 2012)

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