Posted by **meagan** on Wednesday, May 15, 2013 at 8:48am.

make a full analysis of algebraic equation of y=(x-2)^2(x^2-9)

- analytical geometry -
**Steve**, Wednesday, May 15, 2013 at 10:19am
well,

y = (x-2)^2 (x-3)(x+3)

so, 4th degree polynomial, roots at 2,3,-3

tangent to x-axis from below at x=2

opens upward on both sides

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