2 years ago

Y varies inversely with x. If y = -8 when x = -7, find the y when x=-4.

Mathematics

1 answer:

lora16 [44]2 years ago

8 0

Answer:

y =-14

Step-by-step explanation:

Inverse variation is of the form

xy = k where k is a constant

(-7)(-8) = k

56 = k

The equation is

xy = 56

Let x = -4

(-4)y = 56

y = 56/-4

y =-14

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