Direct, Inverse, & Joint Variation
3 years ago
ahorn
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16 QuestionsShow answers
  • Question 1
    60 seconds
    Q.
    answer choices
    direct variation
    inverse variation
    neither direct nor inverse variation
  • Question 2
    60 seconds
    Q.
    answer choices
    direct variation
    inverse variation
    neither direct nor inverse variation
  • Question 3
    60 seconds
    Q.
    answer choices
    direct variation
    inverse variation
    neither direct nor inverse variation
  • Question 4
    120 seconds
    Q. The equation    
    w = 10chs  represents:
    answer choices
    direct variation
    inverse variation
    joint variation
    none of these
  • Question 5
    120 seconds
    Q. The equation 
    xy =  25  represents:
    answer choices
    direct variation
    inverse variation
    joint variation
    none of these
  • Question 6
    120 seconds
    Q.
    answer choices
    direct variation
    inverse variation
    joint variation
    none of these
  • Question 7
    120 seconds
    Q.
    answer choices
    direct variation
    inverse variation
    joint variation
    none of these
  • Question 8
    120 seconds
    Q.
    answer choices
    direct variation
    inverse variation
    joint variation
    none of these
  • Question 9
    120 seconds
    Q.
    answer choices
    direct variation
    inverse variation
    joint variation
    none of these
  • Question 10
    120 seconds
    Q. What type of variation does this scenario represent?
    The length of time you charge your cell phone
    and the battery power 
    answer choices
    direct variation
    inverse variation
    joint variation
    none of these
  • Question 11
    120 seconds
    Q. What type of variation does this scenario represent?
    The outside temperature
    and the number of layers of clothes you need to wear outside to feel comfortable 
    answer choices
    direct variation
    inverse variation
    joint variation
    none of these
  • Question 12
    120 seconds
    Q. What type of variation does this scenario represent?
    The grade you earn in a class
    and the number of assignments you complete
    and the number of hours you study
    answer choices
    direct variation
    inverse variation
    joint variation
    none of these
  • Question 13
    120 seconds
    Q. What type of variation does this scenario represent?
    You and some friends decide to buy 2 pizzas and split the cost evenly.
    The number of friends who are sharing the cost of the pizzas
    and the amount of money you pay for your share.
    answer choices
    direct variation
    inverse variation
    joint variation
    none of these
  • Question 14
    300 seconds
    Q. Suppose y varies directly as x.
    If  y = 22.5 when x = 15, find y when x = 20.
    answer choices
    1.5
    337.5
    30
    16.875
  • Question 15
    300 seconds
    Q. Suppose y varies jointly as x & z. 
    If y = -180 when z = 15
    and x = -3,
    then find y when x = 7 and z = -5.
    answer choices
    -140
    140
    -4
    4
  • Question 16
    300 seconds
    Q. Suppose y varies inversely with x.
    If y = 150 when x = 2, find y when x = 25.
    answer choices
    300
    75
    1,875
    12
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