Question

The slope of a line segment whose inclination is ${45}^{\circ }$ is

• A. 1
• B. -1
• C. 2
• D. -2

Answer 1

The correct option is B -1

Slope of line $m=tan\theta$

Here, $\theta ={45}^{\circ }$

$m=tan{45}^{\circ }$
$m=1$

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