The quantities x and y are proportional find the constant of proportionality (r) in the equation y=rx 8 1.6 15 3 22 4.4
![The quantities x and y are proportional find the constant of proportionality r in the equation yrx 8 16 15 3 22 44 class=](https://us-static.z-dn.net/files/d96/f8f96cc06b60b6f76549ad7932bcdc78.png)
Answer:
r = 0.2
Step-by-step explanation:
Given
y = rx ( divide both sides by x )
[tex]\frac{y}{x}[/tex] = r
Use any of the ordered pairs from the table and substitute
Using (8, 1. 6 ) , then
r = [tex]\frac{1.6}{8}[/tex] = 0.2