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 ( 45+ )
Otras preguntas
11 In the State of Florida your first conviction for DUI can result in your vehicle being impounded for ______.
Conversion of natural ecosystems to agriculture ecosystems can lead to less carbon stored in soil and large plants such as trees. True or false?
Consider the integral Integral from 0 to 1 e Superscript 6 x Baseline dx with nequals 25 . a. Find the trapezoid rule approximations to the integral using n and
What is likely to be true of a population with an age structure that is pyramid shaped?
Cultural elements such as music, sports, movies, clothing fashion, food and hobbies called
If at all possible, maneuver to avoid a ________ collision which involves extreme force upon impact and is statistically more likely to result in injury or deat
The cerebral cortex contains three types of areas. These are the _____, _____, and _____ areas.
The maximum seller-paid closing costs on a new FHA loan for a house being purchased for $200,000 is $6,000.
If a double-stranded DNA molecule is like a twisted rope ladder with handrails and steps, what would the steps in the ladder represent?A. phosphate groupsB. nit
Metaline Corp. uses the weighted average method for inventory costs and had the following information available for the year. Equivalent units of production for
