anonymous
  • anonymous
y+8x= 2x squared +1 solve using complete square
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@freckles
pooja195
  • pooja195
Can you screenshot the question?
anonymous
  • anonymous
no i can't sorry

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pooja195
  • pooja195
I'm not sure what the question is asking.... @zzr0ck3r ??
anonymous
  • anonymous
y+8x= 2x squared +1
anonymous
  • anonymous
y+8x= 2x squared +1 solve using complete the square
pooja195
  • pooja195
y+8x= 2x^1?
anonymous
  • anonymous
y+8x= 2x^2 +1?
pooja195
  • pooja195
is that the question?
anonymous
  • anonymous
yes
pooja195
  • pooja195
@zzr0ck3r im not sure can u help with this one please? :)
Astrophysics
  • Astrophysics
\[y=2x^2-8x+1\] now you may go ahead and complete the square
anonymous
  • anonymous
i got x^2 -8x+32=15 not sure how to factor that
Astrophysics
  • Astrophysics
\[x^2+ax=0\] we can do the following \[x^2+\frac{ 2ax }{ 2 } + \left( \frac{ a }{ 2 } \right)^2-\left( \frac{ a }{ 2 } \right)^2=0\]
Astrophysics
  • Astrophysics
That's completing the square
anonymous
  • anonymous
how do we get the x values
Astrophysics
  • Astrophysics
|dw:1442277314632:dw|
Astrophysics
  • Astrophysics
The -8 and +1 were originally inside the brackets so when we take it out we have to multiply by 2, you can finish it off, by factoring what's inside the parenthesis
Astrophysics
  • Astrophysics
I don't know how you got that
anonymous
  • anonymous
I am confused on what to do next
anonymous
  • anonymous
2(x-2)^2=-7
Astrophysics
  • Astrophysics
It should = y+7 not -7

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