tturk2014 tturk2014
  • 02-01-2018
  • Mathematics
contestada

solve x^2+11X<-8 Urgent please help!!!!!

Respuesta :

Rod44 Rod44
  • 02-01-2018
Add 121/4 to each side:
x²+11x+121/4 < 121/4-8
x²+11x+121/4 < 89/4
(x+11/2)² < √89/2 ⇒ -√89/2 < x+11/2 < √89/2
-11/2-√89/2 < x < -11/2+√89/2
Answer Link

Otras preguntas

the rock cycle indicates that each type of rock: a.) can provide materials to make other rocks b.) can form other rocks c.) can be changed by natural processes
In addition to being necessary for respiration, _______ also provides UV radiation protection. A.) Oxygen B.) Carbon Dioxide C.) Hydrogen D.) Water
How many Ukrainians died in world war 1?
6 less than the quotient of h divided by 2 is 10?
what ruler established a united Christian community in western Europe
HELP!!!!!! Which verb form agrees with the subject and correctly completes the sentence? Peanut plants __________ thousands of acres in the American South. A.
71 is 10 less than my number
Amanda's jewelry box is in the shape of a cube that has 6- inch edges what is the volume of Amanda's jewelry box
how much is a kilogram???
Napoleon's empire spread the ideas of French Revolution in Europe. One of these ideas was nationalism. How was Napoleon's domination a factor in spreading natio