anonymous
  • anonymous
The graph of this quadratic function is a parabola. What is the equation of the axis of symmetry?y=x^2+2x+1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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dape
  • dape
You can either factorize by completing the square and look how it's shifted (this is easiest). Or if you know calculus you can find the minimum/maximum and see which x this is.
dape
  • dape
Do you know how to complete the square?
anonymous
  • anonymous
no

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dape
  • dape
The point is that you want to change the form from \(x^2+2x+1\) (or another 2-degree polynomial) to a form \((x+a)^2\). If you expand \((x+a)^2\) you see that we get a term \(2xa\). So \(a\) should always be half of the coefficient of the original linear x term (the single x). What is half of the coefficient of the linear term for \(x^2+2x+1\)?

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