anonymous
  • anonymous
On the graph of the equation 2x – y = 10, what is the value of the y-intercept?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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asnaseer
  • asnaseer
think about what x must equal when a curve crosses the y-axis - do you know?
anonymous
  • anonymous
No ..... I have no idea :(
asnaseer
  • asnaseer
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More answers

anonymous
  • anonymous
(0,0)
asnaseer
  • asnaseer
so the value of x is ZERO all along the y-axes - agreed?
asnaseer
  • asnaseer
if you take any point on the y-axes, then that points x value must be zero
anonymous
  • anonymous
Yes but what's next ?
asnaseer
  • asnaseer
therefore, to find the y-intercept (i.e. the point where the curve crosses the y-axes), you just need to set x=0
asnaseer
  • asnaseer
in your case you are given:\[2x – y = 10\]so just set x=0 into this and solve to find y.
anonymous
  • anonymous
So y= -10
asnaseer
  • asnaseer
perfect! :)
anonymous
  • anonymous
Thank you so much ! So every time I have to figure out what x or y equals I set the other one to zero right ?
asnaseer
  • asnaseer
for intercepts yes. set x=0 to find y-intercept set y=0 to find x-intercept
anonymous
  • anonymous
Thank you !
asnaseer
  • asnaseer
yw :)

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