mg7658
mg7658 mg7658
  • 23-06-2016
  • Mathematics
contestada

Given that y varies directly with x, what is the equation of direct variation if y is 3 when x is 7?

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olemakpadu
olemakpadu olemakpadu
  • 26-06-2016
y α x

y = kx

3= k*7

3 = 7k

3/7 = k

k = 3/7

Relationship is y = kx ,  that is    y = (3/7)x
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