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If Y varies directly with x, then y=1/2 when x=-2. What is the value of x when y=-4?

If Y varies directly with x, then y=1/2 when x=-2. What is the value of x when y=-4?
asked 150k views
7 votes
If Y varies directly with x, then y=1/2 when x=-2. What is the value of x when y=-4?

asked
User Diego Vieira
by
8.6k points

1 Answer

5 votes

Answer:

x = -16

Explanation:

y = kx

1/2 = -2k

k = 1/4

-4 = 1/4x

x = 4(-4)

x = -16

answered
User Nard
by
7.5k points
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