treyrichardson5 treyrichardson5
  • 22-06-2017
  • Mathematics
contestada

Solve the following system. x 2 - y = 3 x - y = -3 The solution set

Respuesta :

ghanami
ghanami ghanami
  • 27-06-2017
hello : 
x²- y = 3 ...(1)
 x - y = -3 ...(2)
by (2) : y = x+3
subqct in (1) : x²-x-3 = 3
x²-x-6 =0
(x+2)(x-3) = 0
x+2 =0 or x-3 =0
x=-2 or x=3
if x = -2   y = -2+3 = 1
if x=3      y =3+3 = 6
two solutions : ( -2, 1) , (3,6)
Answer Link

Otras preguntas

helppppppppppppp pls
Consider these sample data x1 =14, x2=4, x3=5, x4=20
Make questions out of these statement Copy/Paste these letters when needed: Ê é è Vous êtes français.(inversion) Tu regardes un film. (Est-ce que) Elle parle
Help me pleaseeeee and do it right I’ll mark brain list
who uses a mainframe computer!?​
Can someone help me pls!
How do i do this??Please help due tomorrow
HELPPPPPPPPPPPPPPPPPPPPPPPPPP
The endpoints of the directed line segment AB are A(−4, 2) and B(5, 8). Find the coordinates of point P along AB¯¯¯¯¯¯¯¯ so that the ratio of AP to PB is 1 to 5
Triangle Q R S is shown. Angle Q R S is 100 degrees. The length of Q R is 2.4 and the length of Q S is 3.5. Law of sines: StartFraction sine (uppercase A) Over