Asked by Jackson
Use Descartes’ Rule of Signs to find the number of possible positive, negative, and nonreal roots for the equation, 4x^3+7x^2+7x+3=0
a. 0 positive, 0 negative, 3 non real roots
b. 0 positive, 1 or 3 negative, 0 or 2 non real roots
c. 0 positive, 1 or 3 negative, 1 or 3 non real roots
d. 0 or 2 positive, 0 or 2 negative, 0 or 2 non real roots
e. 0 or 2 positive, 1 or 3 negative, 0 or 2 nonreal roots
a. 0 positive, 0 negative, 3 non real roots
b. 0 positive, 1 or 3 negative, 0 or 2 non real roots
c. 0 positive, 1 or 3 negative, 1 or 3 non real roots
d. 0 or 2 positive, 0 or 2 negative, 0 or 2 non real roots
e. 0 or 2 positive, 1 or 3 negative, 0 or 2 nonreal roots
Answers
Answered by
Reiny
take a look at this question I did several years ago
http://www.jiskha.com/display.cgi?id=1315862859
http://www.jiskha.com/display.cgi?id=1315862859
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