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Parabolas : Put the function in the form y = a(x - h)2 + k and find the line of symmetry. y = x2 - 6x + 8,

For the function y = x2 - 6x + 8, perform the following tasks:
a)Put the function in the form y = a(x - h)2 + k.
b)What is the line of symmetry?

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Parabolas and line of symmetry are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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