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

On a map of the city .1 centimeter represents 2.5 miles . what distance on the map would represents 20 miles?

help .me with those two questions

On Monday John had $500 . Over the weekend he went out to eat for $ 112and used his debit card for movie tickets that cost $28 . How much money did John have on

Which sentence contains a misplaced modifier? A.Cheese, pumpkin seeds, and apples all make delicious treats for mice. B.Many a mouse has found scraps of food i

Write one and two hundred fifty three thousandths in standard form

Which sentence does not contain any errors in the use of italics or quotation marks? A. I learned that fact from reading the magazine National Geographic. B. "J

where is copper in the periodic table?

Which one of the folk sentences contains an abstract noun ? A.The vase was quite expensive. B.She handed him the dish towel. C.His smile could charm anyone.

In the 1960's, bus boycotts, lunch counter sit ins, and freedom of rides were organized attempts to achieve?

which is a prime number 111 121 131 141