The equation y=ax describes the graph of a line. If the value of a is negative, the...
Check the final answer first, then review the worked steps.
Problem
The equation y=ax describes the graph of a line. If the value of a is negative, the line:
Step-by-step solution
The equation $y = ax$ represents a line passing through the origin. If $a$ is negative, the slope is negative. A negative slope means the line goes down as $x$ increases (to the right) and up as $x$ decreases (to the left).
Answer
D. goes down and to the left.