sndrstpnk sndrstpnk

17-04-2019
Mathematics

contestada

what are the zeros of the polynomial function
f(x) = x^3 + x^2 - 20x

choices:
0, -5, -4
0, -5, 4
0, 5, -4
0, 5, 4

Respuesta :

mkryukova19 mkryukova19

17-04-2019

Answer:

(b) 0,-5,4

Step-by-step explanation:

[tex]f(x)=x^3+x^2-20x\\x^3+x^2-20x=0\\x(x^2+x-20)=0\\x(x+5)(x-4)=0\\x=0, x+5=0, x-4=0\\x=0,x=-5,x=4[/tex]

Answer Link

Otras preguntas

In this excerpt, the narrator may be unreliable because

Find the volume of a rectangular prism with dimensions Height is (x-3) width is (x+1) length is 5

A dough is made in the shape of a sphere of radius 4. 2cm. A gulab jamun contains sugar syrup up to about 70% of its volume 1. How much sugar syrup will be left

Suitable oxygen delivery to body tissue is dependent on all of the following except: adequate iv access adequate hemoglobin adequate blood oxygenation adequate

in a chemical, the bond energy of the reactants is 500J, and the bond energy of the product is 300J, this reaction would be considered

What evidence can you give that the days leading up to battle were “gentle

Me for questions a and b, find the median, q1, q3, and iqr. code enter the number in the ones place of each answer do not put any spaces between your answer for

pls give me the right answer okay

Part A Naissan has just started a summer job as a camp counselor. During the first week of camp, she notices that the campers she is in charge of seem to get ve

8. Why was the ANC banned after police opened fire on peaceful black protesters in the township of Sharpeville? How did this impact Mandela?