anonymous
  • anonymous
Which of the following graphs shows that y is partly constant and partly varies inversely as x?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
|dw:1370874642306:dw|
anonymous
  • anonymous
|dw:1370874674903:dw|
anonymous
  • anonymous
|dw:1370874697896:dw|

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More answers

hartnn
  • hartnn
constant : |dw:1370874706840:dw| inverse variation : |dw:1370874722119:dw|
anonymous
  • anonymous
|dw:1370874719612:dw|
anonymous
  • anonymous
|dw:1370874751156:dw|
hartnn
  • hartnn
ohh, here we alter axis from x to 1/x... if y varies inversely as x, then it will vary directly with 1/x
anonymous
  • anonymous
....
hartnn
  • hartnn
so, with 1/x as axis, you will search for, |dw:1370875069198:dw| now can you figure out ? whats your doubt ??
hartnn
  • hartnn
A and C are out of question, right ?
hartnn
  • hartnn
because the axis is x-axis and not 1/x axis, and look at B, its ONLY direct variation, got this ?
anonymous
  • anonymous
Yes
hartnn
  • hartnn
what remains ?
hartnn
  • hartnn
|dw:1370875282528:dw|
anonymous
  • anonymous
direct variation is at Origin right?
anonymous
  • anonymous
D?
hartnn
  • hartnn
yes, y=kx will pass through origin
hartnn
  • hartnn
D is correct.
anonymous
  • anonymous
thanks
hartnn
  • hartnn
welcome ^_^

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