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April 20, 2015

Homework Help: math

Posted by cici on Wednesday, February 25, 2009 at 8:12pm.

i'm studying for a test and i've just got a few questions..
1-If x^2+8x+m has one double root then m=? and the vertex is?

2-I got -3-i(s.r)5 / 5 for this problem-> -15-(s.r)-125.. is that correct?

3-Is the answer for (5-3i)^2 -30i+ 16 ?

4-is the answer to the formula 25x^2-20x+1 in simplest radical form 2+/-(s.r)3/10?

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