grant01
grant01
05-04-2017
Mathematics
contestada
How do you solve this?
Respuesta :
TheHero
TheHero
06-04-2017
y = - x^2
y = -x - 2
assume that there exist a point (x,y) at which the two equations are equal so
- x^2 = -x - 2
x^2 - x - 2= 0
(x-2) ( x + 1 ) = 0
x = 2 , - 1
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