tturk2014 tturk2014

02-01-2018
Mathematics

contestada

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

Respuesta :

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

what is the theoretical probability of rolling an odd number on a fair die with six faces? 3/4 1/2 1/3 1/6

F(x) = 4√(2x³-1) F'(x) =.....?

what is 622 rounded to the nearest ten and hundred

Do men and women socialize and speak different body languages

Can someone please help me with this asap

Hot coffee in a mug cools over time and the mug warms up. Which describes the energy in this system?

a house costs 200,000. if it increases in value 4% each year, what is its value in 3yr?

Choose the point-slope form of the equation below that represents the line that passes through the points (−6, 4) and (2, 0).

Line MT is congruent to Line GL and ∠M is congruent to ∠G. What additional information is necessary to show that ΔMTD is congruent to ΔGLS by SAS?

Which of the following is responsible for preparing the body for defensive action?