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If y is proportional to x and y = -15 when x = -20. what is the value of x and y?
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If y is proportional to x and y = -15 when x = -20. what is the value of x and y?

User Ofelia
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1 Answer

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y = -15 when x = -20

Basically, you must solve for the constant of variation.

y = kx

-15 = k(-20)
20/15 = k
k = 1.3 repeating 3
User John Moses
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