Answer:change in y) / (change in x)
More formally, if a line passes through two points (x1,y1) and (x2,y2), then the slope m of the line is given by the formula:
m=y2−y1x2−x1
In the case of the points (4,9) and (1,6), we get:
m=6−91−4=−3−3=1
Step-by-step explanation:
