The straight-line distance between the points is ___ units, rounded to the nearest tenth.

The straight-line distance between the points is approximately 8.6.

Step-by-step explanation:

The straight-line distance () between the points is determined by the following Pythagorean identity:

(1)

Where:

- Horizontal distance between the points.

- Vertical distance between the points.

Let consider that each square has a distance of 1 unit. If we know that and , then the straight-line distance is:

The straight-line distance between the points is approximately 8.6.

b