Posted by **Rebecca** on Tuesday, May 31, 2011 at 11:53am.

Solve using the quadratic formula. Express answers as exact roots and as approximate roots, to the nearest hundredth.

b) k^2 - 9k = 1

c) 8w^2 = 2 - 3w

Solve to the nearest hundredth.

b) 1.2x^2 + 0.5x - 0.3 = 0

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