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

Which Byzantine city was coined the "New Rome" and became the capital city of the Byzantine Empire?

What term was originally used to describe the condition of a female athlete who has an eating disorder and develops amenorrhea and osteoporosis?'?

Which Han dynasty reform was reintroduced during the Tang dynasty?

If the doctor prescribed a different drug that blocked all alpha receptors, what additional side effect might lisa experience?

Identify one internal and one external conflict faced by Brutus in this excerpt

What is 23.07° rounded to the nearest tenth

How did the Reformation help spur the scientific Revolution?

Explain why some types of magma form igneous rocks that are dark colored and dense.

What method(s) would you choose to solve the equation? Explain your reasoning. 4x^2-48=0

Use the chart above to determine the meter and line length of the word or phrase. teeter totter