mathematical usage

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  1. a negative multiplied or divided by a negative equals a
    • positive number
    • example: -3*-4 = 12; -6/-3 = 2
  2. a negative multiplied by a positive equals a
    a negative number

    example: -3*4 = -12; -6/3 = -2
  3. with a integer treat a negative sign
    just like a subtraction sign

    example: 3+-2 = 3 - 2 or 1
  4. a negative number subtracted from another number is the same as
    adding a positive number

    example: 2- -1 = 2+1 = 3
  5. remember that you can reverse the numbers while
    adding or subtracting

    example: -4+2 = 2+ -4 = 2-4 = -2
  6. what is a prime number
    a number that can only be divided evenly by itself or one
  7. two negatives equal
    a positive
  8. subtracting a negative number is the same as
    adding it
  9. multiplying or dividing two negative numbers yields a
    positive product or quotient
  10. when only one of the terms in a multiplication or division product is negative, the resulting product or quotient will be
  11. composite numbers will have
    at least three factors: themselves, one, and some other number
  12. order of operations
    please excuse my dear aunt sally
  13. to add or subtract fractions you must have a
    common denominator
  14. to multiply fractions
    multiply the numerators together and then multiply the denominators together
  15. to divide one fraction by another
    invert the second fraction and then multiply first numerators and then denominators
  16. exponents. when two terms with the same base are multiplied together
    the exponents are added together
  17. exponents. when two terms with different bases but the same exponent are multiplied together
    only the bases are multiplied, the exponent stays the same
  18. when the same base is given two exponents
    the exponents are multiplied together
  19. when exponents are multiplied together
    the exponents are added to get the final result
  20. when the exponents in parentheses have an exponent
    the exponents are multiplied to get the final result
Card Set:
mathematical usage
2014-04-16 19:20:31

mathematical usage
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