evansk825 evansk825

26-01-2018
Mathematics

contestada

What number must you add to complete the square? x2 + 22x = 9

Respuesta :

choixongdong choixongdong

26-01-2018

x^2 + 22x + 121 = 9 + 121 ..............a^2 + 2ab + b^2 = (a+b)^2

(x + 11)^2 = 130

answer

you must add 121 to complete the square

Answer Link

Otras preguntas

Portfolios can be diversified internationally through each of the following EXCEPT ____.

1. Read the article from The Atlantic. Describe two examples of people criticizing or praising the Japanese government's response to the nuclear crisis. You may

What is the difference between atmospheric, intra-alveolar, and intrapleural pressure? How do they affect each other?

Determine whether the series, [infinity]Σ (-1)ⁿ/5n+1n=0 is absolutely convergent, conditionally convergent, or divergent. Indicate any tests used.

I need the answers for this

A transverse wave with an amplitude of 0.3m, a frequency of 38 Hz, and a wavelength is traveling down a taut string. The equation for a transverse wave on a str

A child was started on an antiseizure drug 6 weeks ago. The nurse notes that the patient's serum blood level of the antiseizure drug is very low. How will the n

The best choice of control for enzyme solutions and vaccines is ________. 1) heat 2) ultrasonic waves 3) radiation 4) cold 5) filtration

Ethics is the pursuit of

In the past, how did Australians and New Zealanders typically perceive themselves?a) Superior Asiansb) Fiercely independent citizens of the worldc) Rugged indiv