gibsonshere gibsonshere

15-04-2015
Mathematics

Answered

write a polynomial function with the zeros 1, -2i

Answer :

crisforp crisforp

16-04-2015

f( x ) = ( x - 1 ) ( x + 2i )( x - 2i ), because the zeroes are 1, -2i, +2i ;
f( x ) = ( x - 1 )( x^2 - 4i^2 ) = ( x - 1 )( x^2 + 4 ) = x^3 - x^2 + 4x - 4 ;

Answer Link

Other Questions

If the [tex]$n$[/tex]th partial sum of a sequence [tex]$a_n$[/tex] is given by[tex]\[ \sum_{k=1}^n (2k + 4) \][/tex]then what is the [tex]$n^{\text{th}}$[/tex]

A common reference that can help emergency responders in making initial decisions upon arriving at the scene of a hazardous materials release is which of the fo

Which social perception does H. G. Wells seem to be portraying in this excerpt from The Time Machine? I think that at that time none of us quite believed in the

Which of the following is the correct formula for nitrogen trifluoride?A. [tex]N_3F[/tex]B. [tex]NF_2[/tex]C. [tex]NF[/tex]D. [tex]NF_3[/tex]

Sofia shares one of her goals with her personal fitness trainer: "I will run every morning before I go to work." Her trainer wants Sofia to reframe this as a SM

During the audit, an operator tells you another employee doesn't follow the current work instruction, preferring to follow a couple of specific things that were

A supervisor finds the mean number of miles that the employees in a department live from work. He finds [tex]\bar{x}=29[/tex] and [tex]s=3.6[/tex]. Which mileag

Using the limit comparison test with a geometric comparison series of [tex]\sum_{n=1}^{\infty} \frac{7^n}{5^n}[/tex], determine if the series below converges or

Find the next two numbers in the pattern.[tex]\[ 0.3, 0.09, 0.027, \qquad , \qquad \][/tex][tex]\[ 6, 2.4, -1.2, \qquad , \][/tex]

Jessica is selling books during the summer to earn money for college. She earns a commission on each sale but has to pay for her own expenses.After a month of d

When a tenant wrongfully remains in possession of real estate at lease termination, an appropriate action for the landlord is to A. Collect double the amount of

Question 2Based on your own investigation, what challenges do you think scientists face when classifying neworganisms?BIU X2 X2 15px<B

In cough, which of the following constituents is used to reduce sputum (mucus) viscosity: a. promethazine b. codein c. dextromethorphan d. carbocisteine or acet

what happened during the renaissance

Degustation Menu Dish Dish Price per standard yield Degustation yield dish price (1/3 portion) Roast Pork $6.33 $45/3 = 15 Barramundi with Creamed Lentils $13.3

An oxygen mask that has an attached reservoir bag that fills with 100% oxygen and a valve to prevent exhaled gas from being inhaled again is called a:a. Venturi

Open market operations refer to which action by a central bank?OA. Regulating the amount of money banks hold in reserveOB. Changing the price banks pay to borro

America and the Global EconomyQuizActive12345To receive a loan from the IMF, a country mustOOOOagree to make economic reforms.join the Group of 20.Oagree to dev

Find the equations of the tangents to the following circles at the given point on the circle x² + y² + 2x- 3y+13= 0 at (1,-2)

An OT is preparing to evaluate an outpatient client who has a complex distal radius fracture that is stabilized with an external fixator. Which evaluation metho