Seudónimo Seudónimo
  • 18-01-2018
  • Mathematics
contestada

The value of y varies directly as x and y is 9 when x is -3 what constant of variation k?

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dannielle
dannielle dannielle
  • 19-01-2018
y/x=k

when y=9, then x= -3
        9/-3=-3
⇒ k= -3
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