algebra
posted by jayson .
What does Descartes Rule of Signs tell you about the real roots of the polynomial
2x^3+3x^35x2=0
possible answers
one positive root either 2 or 0 neg
2 or 0 pos and 2 or 0 neg
one pos and one neg
either 2 or 0 pos and one neg

Please explain
Respond to this Question
Similar Questions

ALGEBRA
HAVING SOME PROBLEM WITH THIS . 2(X+7) IS THE ANSWER 14X? 
Algebra
Do not solve, show possibilities of Descartes's rule of signs for roots. 4x^39x^2+6x+4=0 f(x)=4x^39x^2+6x=4  + + one change =4(x)^39(x)^2+6(x)+4  +  + three changes Positive Negative Imaginary 2 1 0 1 2 0 3 possible roots 
Algebra HELP!
Do not solve, show possibilities of Descartes's rule of signs for roots. 4x^39x^2+6x+4=0 f(x)=4x^39x^2+6x=4  + + one change =4(x)^39(x)^2+6(x)+4  +  + three changes Positive Negative Imaginary 2 1 0 1 2 0 3 possible roots 
Math
Is there any one who knows if I am right? 
Math
How many real roots does f(x) = x^3+5x+1 have? 
Algebra
I had to solve 2x^2x1 using the quad. formula. I got it down to (1 +/ the square root of neg. 8) divided by four. I broke the sq. of neg. 8 into the sq. root of 4 and the sq. root of 2. But my question is could it also be the sq. … 
PreCalc
I know about Descartes Rule but I don't really get how to figure this outPlease check my answers I don't get this one find number of possible positive and negative real roots of f(x) = x^4x^3+2x^2 + x5 I think there are 3 sign … 
PHYSICS  PLEASE HELP
Three objects are moving along a straight line as shown in the figure. Taking the positive direction to be to the right, what is the total momentum of this system? 
Algebra 2/Trigonometry
How do I solve f(x)=x^36x^2+16x96 using Descartes' Rule of Signs to find the number of positive and negative real roots, along with imaginary roots, but not with a graph? 
Pre Cal
Use Descartesâ€™ 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 …