Is the graph of y = -9 a horizontal line?
(A). Yes
(B). No, the graph of y = -9 could be horizontal, vertical, or neither.
(C). No, the graph of y =
-9 is a vertical line.
(D). No, the graph of y =
-9 is a line with a positive slope.
(E). No, the graph of y = -9 is a line with a negative slope.