Respuesta :

4. constant of proportionality, k = y/x or in this case k = b/a
a. k = 14/2 = 35/5 = 63/9 = (7/3)/(1/3) = 7
b. k = 360/3 = 600/5 = 960/8 = 1440/12 = 120
c. k = 3/75 = 8/200 = 61/1525 = 0.4/10 = 1/25
d. k = 10/4 = 15/6 = 55/22 = 7.5/3 = 5/2 or 2.5

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