madyharriger12 madyharriger12
  • 22-01-2018
  • Mathematics
contestada

the value of y varies directly with x, and y = -8 when x = 2. Find y when x = 3

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josephfmokc11 josephfmokc11
  • 22-01-2018
y = -12
varies directly: y = kx -> -8 = k*(2) - > k = -4
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