Question

Find the length of perpendicular from (2,-3) to the line 2x-6y=18​

Answer 1

Answer:

$length = \frac{2(2) - 6( - 3) - 18}{ \sqrt{ {2}^{2} + {3}^{2} } } \\ \\ = \frac{4 + 18 - 18}{ \sqrt{13} } = \frac{4}{ \sqrt{13} }$