In the following list identify a vector having the same direction as the parametric
line \(p\).
\[ \begin{aligned}
p\colon x & = -5, \\
y & = 5t;\ t\in \mathbb{R}
\end{aligned}\]
In the following list identify a vector having the same direction as the parametric
line \(p\).
\[ \begin{aligned}
x & = 2t, \\
y & = 0;\ t\in \mathbb{R}.
\\\end{aligned}\]
In the following list identify a vector in the direction of the following parametric
line.
\[\begin{aligned}
x =\ &1 + t, & &
\\y =\ &3 + 2t;\ t\in \mathbb{R} & &
\end{aligned}\]
In the following list identify a vector in the direction of the following parametric
line.
\[\begin{aligned}
x =\ &t - 1, & &
\\y =\ &t - 2;\ t\in \mathbb{R}\text{.} & &
\end{aligned}\]