anonymous
  • anonymous
how to graph y=|1/2x| ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
do u know how to graph 1/2 x
.Sam.
  • .Sam.
Is it \[y=|\frac{1}{2x}|\]
anonymous
  • anonymous
just move all the -y values to the +y

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anonymous
  • anonymous
no is it y=|1/2 x|
anonymous
  • anonymous
I dont understand
.Sam.
  • .Sam.
Are you planning to sketch or plot?
anonymous
  • anonymous
absolute value is moving all -ve values to +ve so the right side of the graph stays the same, but since the left side is -ve when u plug in values less than in x. let's say y = -5 , the absolute value will be 5 (-5, -5 ) will be (-5, 5)
anonymous
  • anonymous
sam I need to stetch it. and Lovekblue the graph needs to be in a V shape
anonymous
  • anonymous
Im really confused
anonymous
  • anonymous
lets create a table. write down an x y table. put a few easy points. -4, -2, 0, 2 4. Then find the y-values for these. This will help you see a little better what lovekblue was trying to say. Absolute value graphs will look like a "V"
anonymous
  • anonymous
okay, and I would find the y-values by substituting the x values into y=|1/2 x| ?
anonymous
  • anonymous
correct.
anonymous
  • anonymous
okay I got -2,-1,0,1,2
anonymous
  • anonymous
do you see that if you graph that the line comes down from the left, hits zero, and takes back up to the right looking like a V. This is the graph!!
anonymous
  • anonymous
Thanks ! :)
anonymous
  • anonymous
Yup, when in doubt just start picking easy points. Always a quick method to get an idea especially on a test.
anonymous
  • anonymous
alright :)
anonymous
  • anonymous
I should let you know about this site. Wolframalpha.com Type in anything you want and it will solve and graph it.

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