bridebenson007
bridebenson007 bridebenson007
  • 26-02-2019
  • Mathematics
contestada

PLEASE ANSWER MY QUESTION FAST WILL MARK BRAINLIEST

if -1 and 2 are two zeroes of the polynomial 2x^3 -x^2 - 5x -2, find its third zero.

Respuesta :

PeshwaBajirao42
PeshwaBajirao42 PeshwaBajirao42
  • 26-02-2019

let the third factor be a

(x+1)(x-2)(a)=2x^3-x^2-5x-2

(x^2-x-2)(a)=2x^3-x^2-5x-2

a=(2x^3-x^2-5x-2)/(x^2-x-2)

a=2x+1

third zero = -1/2

HOPE THIS WILL HELP U

Answer Link

Otras preguntas

3(7 + x2); x = 2 (x is squared by 2) ( evaluate each expression for the given values of the variables)
What is the middle ages?
The equation y = 5.50x represents the cost y (in dollars) for x visits to thescience museum in a month. Graph the linear equation. What does thegraph tell you a
What is a mortgage? A. a loan used to purchase a home where the property serves as the borrower’s collateral B. a loan used to purchase a vehicle where the ve
The bottom of samuels hamster cage is a rectangle with an area of 246 square inches. The cage is 10 to the 14th power inches tall. What is the volume, in cubic
A circle is entered on the point (-1,5) and contains the point (7,11). What is the area of this circle?
Name three time periods/events in history that occur following the Renaissance, because of the Renaissance.
Krutika and Natasha win some money and share it in the ratio 1:2. Krutika gets £8. How much did they win in total?
The daily profit in dollars of a specialty cake shop is described by the function P(x)=-4x^2 +200x - 2176, Where X is the number of cakes prepared in one day. T
What’s the answer to this