Analytical Plane Geometry

9000106201

Level: 
A
In the following list identify a vector having the same direction as the parametric line \(p\). \[ \begin{alignedat}{80} p\colon x & = 1 + 2t, & &\phantom{t\in \mathbb{R}} & & & & \\y & = 3 - 4t;\ & &t\in \mathbb{R} & & & & \\\end{alignedat}\]
\((1;-2)\)
\((1;3)\)
\((3;1)\)
\((2;3)\)

9000106001

Level: 
A
In the following list identify a vector in the direction of the following parametric line. \[\begin{aligned} x =\ &1 + t, & & \\y =\ &3 + 2t;\ t\in \mathbb{R} & & \end{aligned}\]
\(\left (1;2\right )\)
\(\left (1;3\right )\)
\(\left (0;2\right )\)
\(\left (3;1\right )\)