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Factorizing Quadratic Equations and Finding the Vertex of a Parabola

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Solve these quadratic equations by factoring
1. x2-4x+5 = 1
2. x2-10= -9
3. x2+8x+16 = 0

Quadratic graphs:
Locate vertex and 1 point on the left hand side and 1 point on the right hand side of the vertex for the following quadratic functions
4. y = x2-2x+1
5. y = x2-1

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Quadratic equations are factored and the vertex of a parabola is found. The solution is detailed and well presented. The response was given a rating of "5/5" by the student who originally posted the question.

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