Jkr
Jkr
02-11-2014
Mathematics
contestada
2b^2+4b–2=0 what is the answer?
Respuesta :
konrad509
konrad509
02-11-2014
[tex]2b^2+4b-2=0\\ 2(b^2+2b-1)=0\\ 2(b^2+2b+1-2)=0\\ 2((b+1)^2-2)=0\\ 2(b+1)^2-4=0\\\ 2(b+1)^2=4\\\ (b+1)^2=2\\ b+1=-\sqrt2 \vee b+1=\sqrt2\\ b=-1-\sqrt2 \vee b=-1+\sqrt2 [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 31+ )
Otras preguntas
Sebutkan UU yang mengatur tentang pokok pokok Hankam NRI
All of the following describe Britain's relationship with the Confederacy except A. Sold ships to the Confederacy B. Favored the formation of the Confederacy;
Select the correct answer from each drop-down menu. Some of the images in the diagram are images of polygon 1 from similarity transformations. Graph shows 5 pol
All of the following describe Britain's relationship with the Confederacy except A. Sold ships to the Confederacy B. Favored the formation of the Confederacy;
The last question. I give all my points !!! Traduction: Calculate the perimeter of the polygon where a= 58° b=C A= 24.6 Options A) 100.2 m B) 96.4 m C) 78.9 m
explain why human language is more complex and sophisticated form of communication
Light with a wavelength of 550 nm is traveling through a 50 kg block of ice (n=1.3). How fast is the light traveling in m/s?
A circuit is made up of a resistor, inductor, and capacitor (and nothing else) connected by wires. The capacitor has a capacitance of 1.2 μ F, the inductor has
Complete the following sentences. Ser o estar 1. Las estudiantes de biologia estar nervioso porque los cursos ser dificil
Find the variance for the given data. Round your answer to one more decimal place than the original data. -12 6 -3 6
