Answer:
I know that the constant of proportionality of y = 1.3x is 1.3
the first one: COP(constant of proportionality) is 0.2
the third one: COP is 5/2
the fourth one: COP is 8/5
Step-by-step explanation:
because 1.3 is the slope and slope=constant of proportionality
calculate the slope for each of them, rise/run. for example, on the third one, the line is going up(rise) 5, and right(run) 2. so 5/2 is the COP.
