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liubo4ka [24]
3 years ago
10

Suppose y varies directly with x. Write an equation relating x and y.

Mathematics
1 answer:
jolli1 [7]3 years ago
4 0

9514 1404 393

Answer:

  a.  y = -5x

Step-by-step explanation:

The different signs of x and y tell you the constant of proportionality will be negative (eliminating choices <em>b</em> and <em>d</em>).

A quick trial of the given values shows that choice <em>c</em> is incorrect, and that choice <em>a</em> is correct.

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