anonymous
  • anonymous
Which equation represents a direct linear variation? A.y=x^2 B.y=x+3 C.y=2/5x D.y=1/x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Vocaloid
  • Vocaloid
well, for a direct linear variation, the equation must be in the form y = kx, where k can be any number
Vocaloid
  • Vocaloid
x cannot be in the denominator, and x cannot have an exponent other than 1
Vocaloid
  • Vocaloid
nothing can be added or subtracted to x

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anonymous
  • anonymous
So that means its A right?
Vocaloid
  • Vocaloid
nope, try again...
Vocaloid
  • Vocaloid
x cannot have an exponent other than 1
anonymous
  • anonymous
well its not B right since that one is addition
Vocaloid
  • Vocaloid
right, keep going
anonymous
  • anonymous
is it d?
Vocaloid
  • Vocaloid
nope, remember that x cannot be in the denominator
anonymous
  • anonymous
Oh duh. So its C :D
Vocaloid
  • Vocaloid
y = kx y = (2/5)x see how these equations are similar?
Vocaloid
  • Vocaloid
yes C
anonymous
  • anonymous
Yes i see that now, thank you for taking the time to help me :)

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