jrpeter828 jrpeter828
  • 19-07-2020
  • Mathematics
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Question 20 PLEASE HELP Tell whether the equation: -x+4y=-5 represents a direct variation

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Alfpfeu
Alfpfeu Alfpfeu
  • 19-07-2020

Answer:

no, it does not

Step-by-step explanation:

Hello

-x+4y=-5

so

[tex]4y = x-5\\<=> y=\dfrac{1}{4}x-\dfrac{5}{4}[/tex]

we say that y varies directly with x if y=kx

in this example we have an additional constant, the graph is not a line through the origin so this is not a direct variation

hope this helps

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