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10 June, 17:16

Suppose y varies directly as x, and Y=80 when x=16. Which of the following statements is true?

a. The constant of variation is 5.

b. The variable y does not vary directly with x.

c. The constant of variation is - 5.

d. The constant of variation is 1/5.

+5
Answers (1)
  1. 10 June, 17:21
    0
    The following answer is B because it shows that it has to multiply the x - axis by the slope (5) to make sure that it can be equat to the y - axis.

    y = 5x

    y = 5 (16)

    y = 80

    (x, y) = (16, 80)
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