anonymous
  • anonymous
What do you notice about the vertex and the line of symmetry for this equations y = x2 + 4x + 1?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Hero
  • Hero
The vertex intersects the line of symmetry. Also x = line of symmetry.
anonymous
  • anonymous
indeed, the vertex intersects the line of symmetry. \[y=x^2+4x+1 = (x+2)^2 - 3\] which is a minimum at \[x=-2\] this being the x-coordinate of the vertex. Since the parabola is the same shape either side of the vertex, we have that the line of symmetry is \[x=-2\]

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