Question

The slope of a line segment whose inclination is ${135}^{\circ }$ is __

Answer 1

Slope of line $m=tan\theta$

Here, $\theta ={135}^{\circ }$

$m=tan{135}^{\circ }$

$=tan({90}^{\circ }+{45}^{\circ })$

$=-cot{45}^{\circ }=-1$

$\therefore$, slope of the line is $-1$