Question

Find the distance of the point (- 3, 4) from the line 12x-5y+2 = O.

Answer 1

$d = | \frac{12( - 3) - 5(4) + 2}{ \sqrt{144 + 25} } |$
$= | \frac{ - 36 - 20 + 2}{13} |$
$= | \frac{ - 54}{13} | = \frac{54}{13}$