prodmindset prodmindset
  • 17-05-2018
  • Mathematics
contestada

What is the sum of the roots of the polynomial shown below f(x)=x^3-4x^2-11x+30

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 18-05-2018
The sum of the roots of a cubic is the opposite of the coefficient of the squared term (provided that the leading coefficient is 1).

The sum of the roots is -(-4) = 4.

_____
The graph shows the roots to be -3, 2, 5, whose sum is 4.
Ver imagen sqdancefan
Answer Link
Chucky410 Chucky410
  • 26-05-2020

Answer:

-3

Step-by-step explanation:

A P E X

Answer Link

Otras preguntas

Adam bought a apples for $1.50 each and b oranges for $2 each. He spent 1.50a+2b dollars. What does 2b represent? Solve for a when b =7 and Adam spent a total o
Use the quadratic equation x2+3x+5=0 to answer the questions. A: What is the discriminant of the quadratic equation? B: Based on the discriminant, which stateme
two airplanes leave the same airport. one heads north, and the other one heads east. after some time, the northbound airplane has traveled 16 miles, and the eas
a)y=x+4y=2x+3 simultaneous equations​
Help please... Complete the equation, and tell which property you used..
Please help me with this problem please helpele
The management of Kabanuck Corporation is considering dropping product V41B. Data from the company's accounting system appear below:Sales $939,000Variable expen
Simplify (4^7/5^2)^3
what number is equivalent to 4 to 3 power
How did the first people to arrive in the Americas support themselves