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scZoUnD [109]
3 years ago
5

2. Suppose y varies directly as x and y=-8 when x=-2. Find x when y=32.

Mathematics
1 answer:
sattari [20]3 years ago
3 0

Answer:

x = 8

Step-by-step explanation:

Use the direct variation equation, y = kx

Plug in the given values of x and y, and solve for k:

y = kx

-8 = k(-2)

4 = k

So, the equation is y = 4x

Using this, plug in 32 as y, and solve for x:

y = 4x

32 = 4x

8 = x

So, x = 8 when y = 32

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