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jenyasd209 [6]
2 years ago
7

Help please! Could you explain it too?

Mathematics
1 answer:
Olegator [25]2 years ago
8 0

Answer:

a. Not proportional

b. Proportional;

k = ⅞

Step-by-step explanation:

A proportional relationship is usually represented in the format, y = kx. k here represents constant of proportionality. This shows that x and y are directly proportional.

a. y = -2x + 9 is not a proportional equation.

b. y = ⅞x is a proportional equation.

Constant of proportionality: k = ⅞

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