jaikulkarni jaikulkarni

26-04-2017
Mathematics

contestada

State how many imaginary and real zeros the function has. f(x) = x3 + 5x2 + x + 5

Respuesta :

isentrixx isentrixx

26-04-2017

1 imaginary & 2 reals

Hope I helped! ( Smiles )

Answer Link

apologiabiology apologiabiology

26-04-2017

we factor by grouping

f(x)=(x³+x)+(5x^2+5)
f(x)=x(x²+1)+5(x²+1)
undistribute x²+1
f(x)=(x+5)(x²+1)
set each to zero
0=x+5
x=-5

0=x²+1
-1=x²
i=x

1 real root and 1 imaginary root

Answer Link

Otras preguntas

A solution containing 75.0 mL of 0.150 M strong acid (HCl) is titrated with 75.0 mL of 0.300 M strong base (NaOH). What is the pH of the resulting solution

The goals of the _________ are to link corporate strategy and IT strategy, approve the allocation of resources for the MIS function, and establish performance m

The price of peanut butter increased by 25% and the quantity of jelly demanded decreased by 50%. Using one decimal place and the negative sign if necessary, the

100 points!! Answer with steps in detail please. For number 22. Determine whether the following function is continuous at a. Use the continuity checklist to

Suppose a firm estimates its WACC to be 10%. Should the WACC be used to evaluate all of its potential projects, even if they vary in risk? If not, what might be

Norah has $50,000 to invest. She is considering two investment options. Option A pays 1.5% simple interest. Option B pays 1.4% interest compounded annually. D

India is entering the global age and has a growing middle class. An Indian car manufacturer wants to offer a car for the average citizen of India, but does not

The equilibrium constant, Kp = 3.4 for the isomerization reaction:cis-2-butene ⇌ trans-2-butene.If a flask initially contains 0.25 atm of cis-2-butene what is t

How is radioactive dating important for providing evidence for evolution? O A. It tells you how many offspring an animal had. O B. It tells you when the animal

Which best illustrates the way in which radiation transfers thermal energy? A red ball at left labeled warm does not touch a blue ball labeled cool at right. C