Question Analysis
The main focus is to find the slope of the altitude from point to line . We need to first calculate the slope of line using the slope formula and then use the property of perpendicular lines to find the slope of the altitude.
Key Concept Explanation
1. Slope formula: The slope of a line passing through two points and is given by .
2. Perpendicular lines: If two lines with slopes and are perpendicular, then .
Step - by - Step Solution
1. Find the slope of line :
Given and , using the slope formula , we substitute .
Then .
2. Find the slope of the altitude from