Answer:
The gradient of a straight line is the measure of the ratio of the vertical change to horizontal change
Step-by-step explanation:
Required
Fill in the gap
Gradient is calculated as:
[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]
or
[tex]m = \frac{\triangle y}{\triangle x}[/tex]
Where [tex]\triangle[/tex] means change; y and x are vertical and horizontal change respectively
