13. Find the constant of proportionality.
X
y
-5
-20
00
3
12
7
28

Answer:
4
Step-by-step explanation:
To find the constant of proportionality, all we have to do is divide a y value by its corresponding x value. For example, -20/-5=4. If we want to check this again, 12/3=4.
So, the constant of proportionality is 4.
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