abdul8985 abdul8985
  • 20-01-2021
  • Mathematics
contestada

y varies inversely with x. If y = 4 when x= -6, find the constant of variation and find the value of y when x= -2

Respuesta :

clarch19
clarch19 clarch19
  • 20-01-2021

Answer:

constant of variation:  k = -24

y = 12 when x = -2

Step-by-step explanation:

y varies inversely with x equation is:  y = k/x

where 'k' if the constant of variation

plug in:

4 = k/-6

cross-multiply to get value of 'k' which is -24

plug in:

y = -24/-2

y = 12

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