No - but it is a straight line graph !
It is a straight line with gradient -A/B and intercept C/B.
a straight line (the Y-axis of a coordinate plane)
A straight horizontal line passing through y=-2
a graph that does not have a straight line...
The graph of [ y = -3x ] is a straight line, through the origin, with slope of -3 .
if you are reffering to a scatter graph, the straight line is called the line of best fit.
A linear equation ?
a graph that does not have a straight line