joseloredo joseloredo

03-02-2017
Mathematics

contestada

correctly complete the square for the equation below

x^2 + 18x = 0

Respuesta :

littlejohn18 littlejohn18

03-02-2017

x^2 + 18x = 0
(x^2 + 18x + 81) = 0
(x + 9)^2 = 81
x + 9 = +/-squareroot81
x = 0, and -18

Answer Link

Otras preguntas

How much heat is needed to melt 10.0 grams of ice at -10°C until it is water at 10°C? Group of answer choices A. +83.6 J B. +3963 J C. -3963 J D. -83.6 J

Factors that affect decision making for teenagers at parties

How did the redistribution of germany's colonies change the balance of power in the pacific?

Who is the author of usa constitution?

If a sample mean is 32, which of the following is most likely the range of possible values that best describes an estimate for the population mean?

Reese is a young boy with cerebral palsy. His primary means of mobility is a manual wheelchair. Reese, his mom, and his two older siblings have temporarily relo

At the first instrumental "break" in roy acuff’s "tennessee waltz" (c. 1:00), the primary solo instrument is?

Which of the following is NOT an example of a colligative property? Group of answer choices A. Salt is added to ice to make homemade ice cream. B. Salt is added

Calculate the volume of a sphere that has a radius of 4 meters

When mars manufactures m&m’s, snickers, and other confectionary products, or when trek designs bicycles, each company’s core question is: how do we produce