princesshiphop1 princesshiphop1

29-06-2016
Mathematics

Answered

Y is inversely proportional to x and y = -8 when x = 3. Find the value of y when x = -2

Verified Answer :

olemakpadu olemakpadu

05-07-2016

y α 1/x

y = k/x

xy = k where k = konstant of variation.

When y = -8, x = 3

k = xy

k = 3-8 = -24

Finding y when x = -2.

Recall:

xy = k

xy = -24

-2*y = -24

y = -24/-2

y = 12

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