$\"\"$

The line equation in slope-intercept form is $\"\"$ , where $\"\"$ is the slope and $\"\"$ is the $\"\"$ -intercept.

Observe the graph, the line passes through $\"\"$ and L is perpendicular to $\"\"$ . \ \

The line equation $\"\"$ .

Compare the line with slope-intercept form.

Slope $\"\"$ .

Perpendicular lines slopes are negative reciprocal to each other.

Slope of the perpendicular line $\"\"$ .

$\"\"$

Point-Slope form of the line equation $\"\"$ .

Substitute the values $\"\"$ , $\"\"$ and $\"\"$ in Point-slope form.

$\"\"$

$\"\"$ .

$\"\"$

The line equation L is $\"\"$ .