Posted by **Sharee** on Thursday, August 5, 2010 at 2:06pm.

Use the discriminant to determine how many real-number solutions the equation has.

Problem 1

w2 - 2w + 2 = 0

A) 2

B) 1

C) 0

Problem 2

1 - 7a2 = -7a - 2

A) 2

B) 1

C) 0

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