Seudónimo
Seudónimo
29-01-2016
Mathematics
contestada
what two number multiply to 2 but add up to -2
Respuesta :
konrad509
konrad509
29-01-2016
[tex]xy=2\\ x+y=-2\\\\ xy=2\\ x=-y-2\\\\ (-y-2)y=2\\ -y^2-2y=2\\ y^2+2y=-2\\ y^2+2y+1=-1\\ (y+1)^2=-1 \Rightarrow y\in \emptyset [/tex]
There are no such numbers in real numbers.
Answer Link
VER TODAS LAS RESPUESTAS ( 49+ )
Otras preguntas
This is ur problem sis u got this Which of the following is equivalent to 16a2 – 49 A. (4a – 7) (4a – 7) B. (4a + 7) (4a – 7) C. (7 – 4a) (7 – 4a) D. (7 + 4a) (
What is 431 rounded to the nearest hundreds
what number (n) must be inserted into the number 3n,85n for it to be divisible by 6?
write the number another way 200+30+7
Wha is the outside of a virus made of
A tropical storm is upgraded to a hurricane when winds exceed _____ mph. a. 35 b. 38 c. 62 d. 74
what was the basic message jesus preached? how and why did that message spread?
Write two equations so that each have variables on both sidez and a solution of 1/2
how many times larger 700 than 70
Explain howmuscle structure, a gene controlled trait, can be Influenced by the environment
