## Elementary Technical Mathematics

$y=\underset\uparrow{\frac{4}{5}}x-2$ $\ \ \ \ \ \$slope $y=-\underset\uparrow{\frac{4}{5}}x+\frac{2}{3}$ $\ \ \ \ \ \ \ \ \ \$slope The slopes are not equal and are not negative inverse, so the lines are neither parallel nor perpendicular.