Today in class students used given equations to substitute in given values, find the outcome, plot the data, and determine if the relationships were proportional or not.
Answers to HW: 1.a. miles yards 1 1,760 5 8,800 2 3,520 10 17,600 b. Yes there is a constant of proportionality; 1,760 yards per mile. 2.a. no b. yes c. yes d. no 3.a. x | y 2 | 5 3 | 15/2 6 | 15 Yes it is proportional because y/x = 5/2 in each row. b. x | y 1 | 8.2 2 | 11.4 4 | 17.8 No, there is no proportional relationship between x and y because in the first row y/x = 8.2, but in the second row y/x = 5.7 4.a. 20 packets b. 45,000,000 bytes c. x = 12,000p
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October 2018
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