Object 1:

Point
A(5,3,9){A \left( 5, 3, 9 \right)}

Object 2:

←a{\leftarrow \mathbf{a}}
d→{\mathbf{d} \rightarrow}
Line
l:r=a+λd{l: \mathbf{r} = \mathbf{a} + \lambda \mathbf{d}}
r=(−2−98)+λ(−253){\mathbf{r} = \begin{pmatrix} - 2 \\ - 9 \\ 8 \end{pmatrix} + \lambda \begin{pmatrix} - 2 \\ 5 \\ 3 \end{pmatrix}}