Can somebody help me:(Medall

What type of system of linear equations is this?

y = –3x – 1
3x + y = – 1
A.
consistent and independent
B.
consistent and dependent
C.
inconsistent
D.
independent and inconsistent

Question

Can somebody help me:(Medall

What type of system of linear equations is this?

y = –3x – 1
3x + y = – 1
A.
consistent and independent     
B.
consistent and dependent
C.
inconsistent     
D.
independent and inconsistent

aum · Answer

The second equation is:
3x + y = – 1
subtract 3x:
y = -3x - 1   which is identical to the first equation.
Therefore, the first and second equation, being the same, are consistent and dependent.