Solving Polynomial Equations using Technology

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The polynomial equation has complex roots . What is the other root? Use a graphing calculator and a system of equations. -3 -1 3 10

-1

What is the root of the polynomial equation ? Use a graphing calculator and a system of equations. -3 0 2 3

3

Which system of equations can be used to find the roots of the equation? 12x^3-5x=2x^2+x+6

A y=12x^3-5x y=2x^2+x+6

Which system of equations can be used to find the roots of the equation ?

D y=4x^2 y=x^3+2x

Josh graphs a system of equations to determine the roots of the polynomial equation . From the graph, he determines that there are two solutions to the equation. Which statement is true? He is correct because the graph shows two intersection points. He is correct because the least exponent of the system is two so there must be two solutions. He is not correct because the greatest exponent of the system is five so there must be five solutions, three of which must be multiplicities or complex. He is not correct because the difference of the exponents is three, so there must be three solutions, one of which is a multiplicity.

c. He is not correct because the greatest exponent of the system is five so there must be five solutions, three of which must be multiplicities or complex.

What are the roots of the polynomial equation ? Use a graphing calculator and a system of equations. Round noninteger roots to the nearest hundredth.

not B

The graph shows the system of equations that can be used to solve . Which statement describes the roots of this equation? 1 rational root and 2 complex roots 1 rational root and 2 irrational roots 3 irrational roots 3 rational roots

1 rational root and 2 complex roots

Which equation can be solved by using this system of equations?

B 3x^3-7x^2+5=7x^4+2x

The mass of a cylinder made of barium with a height of 2 inches depends on the radius of the cylinder as defined by the function .Which system of equations and solution can be used to represent the radius if the mass of the cylinder is 11,000 grams? Round to the nearest hundredth of an inch.

C

Which system of equations can be used to find the roots of the equation ? 4x^5-12x^4+6x=5x^3-2x

D


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