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 ( 25+ )
Otras preguntas
A dairy farmer plans to enclose a rectangular pasture (of length x and width y) adjacent to a river to provide enough grass for the herd, the farmer has 240m of
If oxygen is absent during the second stage of cellular respiration, a.) fermentation will occur. b.) the Krebs cycle begins. c.) the electron transport chai
Create the equation of a circle that has a center at (1,3) and a radius of 4 units.
Good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.
Please Help! A. 18 ft by 27 ft B. 18 ft by 9 ft C. 9 ft by 13.5 ft D. 72 in. by 108 in
need na need na po plssss.
A capacitor of cylindrical shape as shown in the red outline, few cm long carries a uniformly distributed charge of 7.2 uC per meter of length. By constructing
Lan (miss)......... the bus if she will not hurry
Highlight five importance of relief features of Ghana .Brainlypatrol please stop deleting my questions
The table represents the exponential function g(x) . The graph represents the function f(x). x g(x) 0 3 1 4 2 6 3 10 4 18 Which statement about the functions is
