Problemas
Which of these systems of equations have a solution of (-2,4) ? Select all that apply. y=x+6 y=-x-6 10x-y=16 5x+y=-6 x+3y=10 -2x-y=0 x-y=-6 4x+2y=16 x+y=2 y=2x+8 y=4 x=-2
Roztwór
Gisela
maestro · Tutor durante 5 años
4.3
(230 Votos)
Respuesta
To determine which systems of equations have a solution of
, we need to substitute the coordinates
and
into each equation and see if they hold true.Let's go through each equation one by one:1.
Substituting
and
:
(True)2.
Substituting
and
:
(False)3.
Substituting
and
:
(False)4.
Substituting
and
:
(True)5.
Substituting
and
:
(True)6.
Substituting
and
:
(True)7.
Substituting
and
:
(True)8.
Substituting
and
:
(False)9.
Substituting
and
:
(True)10.
Substituting
and
:
(True)11.
Substituting
and
:
(True)12.
Substituting
and
:
(True)Therefore, the systems of equations that have a solution of
are:-
-
-
-
-
-
-
-
-