Bluekat4572 Bluekat4572
  • 25-01-2018
  • Mathematics
contestada

In the equation y = kx, if x is doubled, what happens to y? doubles triples quadruples unknown

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Аноним Аноним
  • 25-01-2018
Correct answer is
doubles



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almatheia almatheia
  • 20-08-2018

Direct variation describes a simple relationship between two variables . We say y varies directly with x

This means that as x increases, y increases and as x decreases, y decreases

Given equation is y = kx,

if x is doubled,

so plug in x = 2x in the given equation so new y1 will become

y1 = k ( 2x)

y1= 2kx

y1 = 2 y

So y becomes doubles



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