amirlpery amirlpery

26-11-2019
Mathematics

contestada

How do you calculate constant rate of change from a proportional graph given the coordinates (x, y)?
Question 1 options:

x/y

y + x

xy

y/x

Respuesta :

MathPhys MathPhys

26-11-2019

Answer:

y/x

Step-by-step explanation:

If y is directly proportional to x, then:

y = kx

k is the coefficient of proportionality, or the constant rate of change. Solving for k:

k = y/x

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