anonymous
  • anonymous
Find the x intercept for: y=2-√x / 5x
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Astrophysics
  • Astrophysics
Set y = 0 and solve for x
Astrophysics
  • Astrophysics
\[y=\frac{ 2-\sqrt{x} }{ 5x }\] is it this
anonymous
  • anonymous
Yes

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Astrophysics
  • Astrophysics
Ok let y = 0 and solve for x as I suggested
Astrophysics
  • Astrophysics
\[\frac{ 2-\sqrt{x} }{ 5x }=0\]
anonymous
  • anonymous
So 5x=2-√x
Astrophysics
  • Astrophysics
Not quite, remember you have to multiply both sides by 5x, so we have 5x * 0 = 0 right? So \[2-\sqrt{x}=0\]
anonymous
  • anonymous
Thank you! I just couldn't see what i was missing but its multiplication of both sides not subtraction -.-
anonymous
  • anonymous
Very appreciated!
Astrophysics
  • Astrophysics
Np, so lets just finish it off, what did you get
anonymous
  • anonymous
-√x = 2 square both sides -x = 4 x+-4
anonymous
  • anonymous
x = -4
Astrophysics
  • Astrophysics
Well it would be better if you just move \[-\sqrt{x}\] to the right side so we have \[2-\sqrt{x}=0 \implies 2 = \sqrt{x} \implies x = 2^2 = 4\]
anonymous
  • anonymous
Maybe i'm just not looking at everything correct today =/ I'm sorry!
Astrophysics
  • Astrophysics
It's cool

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