anonymous
  • anonymous
To find the axis of symmetry or the x-coordinate of the vertex, you must use ________ . y = mx + b.x = -(b/2a). x = h (x + n) (x - n)
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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anonymous
  • anonymous
no sense
Jhannybean
  • Jhannybean
Theres 3 answer choices that do not make any sense.
anonymous
  • anonymous
Oh sorry the fourth one is (x + n) (x - n)

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Jhannybean
  • Jhannybean
Theres two formulas you must know in dealing with parabolics. 1. finding the solutions to the number of real solutions in a quadratic, the discriminant: \(b^2-4ac\) 2. the vertex of a parabola will always be solved for x, unless the parabola is turned in a different direction. this is represented by: \(x= -\dfrac{b}{2a}\)
Jhannybean
  • Jhannybean
Correction: #1 does not just reference real solutions, but it also tells you possible imaginary solutions as well.

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