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alexandr402 [8]
3 years ago
13

Find the constant of proportionality (r) in the equation y=rx

Mathematics
2 answers:
ahrayia [7]3 years ago
8 0

Answer:

r = \frac{1}{4}

Step-by-step explanation:

Given the proportional equation

y = rx ← r is the constant of proportion

Divide both sides by x

\frac{y}{x} = r

Use any ordered pair from the table.

Using (8, 2 ) , then

r = \frac{2}{8} = \frac{1}{4}

Vlad1618 [11]3 years ago
4 0

Answer:

1/4

Step-by-step explanation:

Multiplying the input (x) by (1/4) results in the output.  This is direct proportion, and the constant of proportionality is (1/4).

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