Question

which ordered pair is the vertex of y=-abs(x+4)
...(0,4)
...(0,-4)
...(-4,0)
...(4,0)

Answer 1

(-4,0)

Answer 2

\[|x|\] is always positive unless x = 0 in this case you have \[-|x+4|\] is is always negative unless x+4=0 in which case x=-4