anonymous
  • anonymous
Which of the following values "completes the square," or creates a perfect square trinomial, for x2 − 8x + ___? 8 16 –8 –16
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
For x² + bx + c, the number that completes the square is \[\left( \frac{ b }{ 2 } \right)^2\] for your problem that's\[\left( \frac{ -8 }{ 2 } \right)^2\] for your problem that's
anonymous
  • anonymous
so c is correct
anonymous
  • anonymous
imeant b

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anonymous
  • anonymous
@peachpi
anonymous
  • anonymous
yes 16
anonymous
  • anonymous
can you answer another one
anonymous
  • anonymous
Using the completing-the-square method, find the vertex of the function f(x) = 2x2 − 8x + 6 and indicate whether it is a minimum or a maximum and at what point. Maximum at (2, –2) Minimum at (2, –2) Maximum at (2, 6) Minimum at (2, 6)
anonymous
  • anonymous
is it a
anonymous
  • anonymous
@peachpi
anonymous
  • anonymous
can't be a maximum. It opens up because the number in front of x² is positve
anonymous
  • anonymous
so c would be correctr
anonymous
  • anonymous
@peachpi
anonymous
  • anonymous
can't be a maximum
anonymous
  • anonymous
so that only leave b :) @peachpi
anonymous
  • anonymous
yes

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