MM
Mashaal Masha
Mar 20, 2024
Line $k$ is defined by $y=3x+15$. Line $j$ is perpendicular to line $k$ in the $xy$-plane. What is the slope of line $j$?
Difficulty: Easy
A:
$-\frac{1}{3}$
B:
$-\frac{1}{12}$
C:
\(-\frac{1}{18}\)
D:
$-\frac{1}{45}$
ID: 65faa36f9ae8b23fbdfbe9df