Question

Assume that y varies inversely with x. If y = 7 when x = -3, find y when x = 7.
Answer

y = -7/3

y = -3

y = -21

Answer 1

y = k/x
y = 7 and x =-3 .. so first find the value of k.. can u find it?

Answer 2

what do you mean k? Im confused

Answer 3

In this context, 'k' is being used as "some proportional constant". Meaning that it can be any number.

Answer 4

plug in values given to find k, like the equation nubeer provided