marlisamoore
marlisamoore
01-09-2017
Mathematics
contestada
can someone help me with this question
Respuesta :
Banabanana
Banabanana
01-09-2017
[tex] x^{2} +2x-5=0 \\ D=b^2-4ac=2^2-4*1*(-5)=4+20=24 \\ x_{1,2}= \frac{-bб \sqrt{D} }{2a}= \frac{-2б \sqrt{24} }{2}=\frac{-2б 2\sqrt{6} }{2}= \frac{-2}{2}б \frac{2 \sqrt{6} }{2} =-1б \sqrt{6} [/tex]
Answer:
B. x = -1 - √6
C. x = -1 + √6
Answer Link
VER TODAS LAS RESPUESTAS ( 84+ )
Otras preguntas
What element is in period 4, group 12?
To apply for a job at the new store in the mole. is this a fragmentation sentence
uld Carbon Dioxide be at its lowest level? A) July B) April C) January D) Ma What created the weather anomaly in the winter of 1980?
Subtract the following complex numbers: (11-7)-(16-11) A. 5+ 4i OB. 5-18i O C. -5-18i OD. -5+4i
Any gîrls here free to talk
600+39 what does it add up to help
What’s the correct answer answer asap for brainlist
i hate this brainly thing so so so much
PROJECT: SUMMARIZE IT! The ability to summarize information is a vital component of understanding the information you read in your coursework. To summarize info
According to the Law of Conservation of Matter, if I have an Oreo cookie that weighs 20 grams and I crush it into crumbs for a recipe, how much do the crumbs we