Anna0114 Anna0114

01-06-2015
Mathematics

contestada

what are the zeros of (x-2)(x^2-9)

Respuesta :

Аноним Аноним

01-06-2015

[tex](x-2)(x^2-9)=0\iff x-2=0\ or\ x^2-9=0\\\\x-2=0\ \ \ \ |add\ 2\ to\ both\ sides\\\\\boxed{x=2}\\\\x^2-9=0\ \ \ \ |add\ 9\ to\ both\ sides\\\\x^2=9\iff x=\pm\sqrt9\to \boxed{x=-3\ or\ x=3}\\\\Answer:\boxed{x=-3\ or\ x=2\ or\ x=3}[/tex]

Answer Link

Otras preguntas

Of the 6.25 billion people in the world, 310 million live in North America. What percent of the world's population lives in North America? Express your answer t

HELP ASAP, I'M TIMEDWhich equation can be used to solve for angle N in the triangle below? A. 6.2^2 = 3.6^2 + 4.3^2 - 2(3.6)(4.3)cosNB. 6.2^2 = 3.6^2 + 4.3^2 +

Nathaniel and Grant go to the movie theater and purchase refreshments for their friends . Nathaniel bought 4 candies and 10 bags of popcorn for a total of 99.50

A 1 liter solution contains 0.227 M acetic acid and 0.302 M potassium acetate. Addition of 0.113 moles of sodium hydroxide will: (Assume that the volume does no

Mr. Zamboni is the owner and the annuitant of an annuity. Mrs. Zamboni, the designated beneficiary, will be able to assume all ownership rights and tax-deferral

Methyl bromide (CH3Br) is produced naturally by fungi. Methyl bromide has also been used in agriculture as a fumigant, but this use is being phased out because

What value does the 3 represent in the number 16.344?

What is a reason customer service is important in IT support? Choose the answer. A happy and satisfied customer will not buy more products from you. A happy and

Which linear equation represents a proportional relationship?A)y = x + 2B)y = 3x + 0.2C)y = −0.3xD)y = −3x +

Mr. Rich arranged for a mortgage loan for 65 percent of the $2.5 million purchase price of a home. The monthly payment will be $10,400 and the mortgage term is