Verified answer

QUESTION

1. Which of the following describes an inverse variation?

A. d 20 40 60 80

t 1 2 3 4

B. s -4 8 -12 24

t 6 -3 2 -1

C. x 2 3 4 5

y 5 10/3 5/2 2

D. x 1 2 3 4

y 5 10 15 20

ANSWER B.

• To know if the given table of values is a example of Inverse variation, the constant of variation (k) should be all equal when multiplying the values (x)(y)= xy.

s -4 8 -12 24

t 6 -3 2 -1

(-4)(6)= -24

(8)(-3)= -24

(-12)(2)= -24

(24)(-1)= -24

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