Question Analysis
This question focuses on calculating the distance between two points in a 2D coordinate system. The key task is to correctly apply the distance formula.
Key Concept Explanation
The distance formula between two points and is , derived from the Pythagorean theorem. The horizontal and vertical displacements between the points form the legs of a right - triangle, and the distance is the hypotenuse.
Step - by - Step Solution
1. Given points and , identify , , , .
2. Calculate : .
3. Calculate : .
4. Substitute into the formula: Click "Show Answer" to reveal the answer and analysis