Apply Descartes rule of signs to a polynomial to find the roots

Apply Descartes rule of signs to a polynomial to find the roots

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains Descartes' Rule of Signs, focusing on determining the number of positive, negative, and complex solutions for a polynomial equation. It covers how to identify sign changes to find real zeros and uses F(-X) to calculate negative solutions. The tutorial also discusses creating a chart to visualize possible solutions and emphasizes the importance of understanding the degree of the polynomial.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the 'cartel of sign' refer to in the context of finding real zeros?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the relationship between the degree of a polynomial and the total number of solutions?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you determine the number of complex solutions based on positive and negative real zeros?

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