Question

Y varies inversely with x. If y = 7 when x = -4, find y when x = 5.

Answer 1

Answer: Y =-5.6

Explanation:

Y= K/X if y =7, x= -4 then substituting in the equation 7=K/-4

Then K= -28

Find y if x is 5.substituting 5 in the equation is Y=-28÷5 = -5.6