hkochenower hkochenower

01-10-2017
Mathematics

contestada

Solve the equation by completing the square. Round to the nearest hundredth if necessary. x^2 +9x - 14 =0

Respuesta :

texaschic101 texaschic101

03-10-2017

x^2 + 9x - 14 = 0
x^2 + 9x = 14
x^2 + 9x + 20.25 = 14 + 20.25
(x + 4.5)^2 = 34.25
x + 4.5 = (+-) sqrt 34.25
x = - 4.5 (+-) 5.85

x = -4.5 + 5.85 = 1.35 <=
x = -4.5 - 5.85 = -10.35 <=

Answer Link

Otras preguntas

Given f(x)=6x+2, find f(x+3).

how is the reality of the murder exposed in the story

help me please!!!!!!!!

Question 9 of 10 During the 1970s and 1980s, bands and record companies preferred to sell albums. A. True B. False

A+ Series - Core Mathematics THEORY QUESTIONS Question 1 (SSSCE 2000 Ou 12a) Four angles of a hexagon are 130°, 160°, 112° and 80°. If the remaining angles are

Discuss why Measuring relationship is relevant to outsourcing

SPANISH PLEASE HELP!!!!! WILL GIVE BRAINLIEST!!!!!! Write the rough draft of your article. You may copy and paste the accented and special characters from this

1÷a+1-a÷a^2-1+a^2÷a^4-1+a^4÷a^8-1

please solve no k and m.

A television camera at ground level is filming the lift-off of a space shuttle at a point 750 meters from the launch pad. Find the angle of elevation to the shu