The ACT Math Test: Number and Quantity

Review these terms and concepts that may be tested on the ACT Math Test.
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Full list of words from this list:

words only definitions & notes
  1. coefficient
    a constant number that serves as a measure of some property
  2. component
    something determined in relation to a thing that includes it
  3. conversion
    a change in the units or form of an expression
  4. cube
    the product of three equal terms
  5. decimal
    a number in a system based on ten
  6. dimension
    the magnitude of something in a particular direction
  7. digit
    one of the elements that form a system of numeration
  8. direction
    relation between something and the course on which it moves
  9. equation
    a mathematical statement that two expressions are the same
  10. equivalent
    a person or thing comparable to another in value or measure
  11. exponent
    notation of how many times to multiply a quantity by itself
  12. factor
    an integer that can be exactly divided into another integer
  13. fraction
    the quotient of two rational numbers
  14. integer
    any natural number or its negative, or zero
  15. irrational
    real but not expressible as the quotient of two integers
  16. magnitude
    the property of relative size or extent
  17. matrix
    an array of quantities set out by rows and columns
  18. notation
    a technical system of symbols to represent special things
  19. operation
    a calculation by mathematical methods
  20. plane
    an unbounded two-dimensional shape
  21. polynomial
    a mathematical function that is the sum of a number of terms
  22. prime
    a number that has no factor but itself and 1
  23. property
    a basic or essential attribute shared by members of a class
  24. quantitative
    expressible as an amount that can be measured
  25. quotient
    the number obtained by division
  26. rational
    capable of being expressed as a quotient of integers
  27. root
    number that when multiplied by itself equals a given number
  28. unit
    a division accepted as a standard of measurement or exchange
  29. vector
    a quantity that has magnitude and direction
  30. velocity
    distance traveled per unit time in one direction
Created on Wed Dec 09 10:46:26 EST 2020 (updated Mon Feb 22 11:14:06 EST 2021)

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