Analytical Space Geometry

9000101103

Level: 
B
Find the distance between two parallel lines \(p\) and \(q\). \[ \begin{aligned}p\colon x& = 2, & \\y & = 3t, \\z & = 1 - t;\ t\in \mathbb{R} \\ \end{aligned}\qquad \qquad \begin{aligned}q\colon x& = 3, & \\y & = 6s, \\z & = 1 - 2s;\ s\in \mathbb{R} \\ \end{aligned} \]
\(1\)
\(2\)
\(3\)
\(4\)

9000101108

Level: 
B
Find the distance between the line \(q\) and the plane \(\beta \). \[ \beta \colon x+4y+2z-4 = 0,\qquad \qquad \begin{aligned}[t] q\colon x& = 4, & \\y & = -2t, \\z & = 1 + 4t;\ t\in \mathbb{R} \\ \end{aligned} \]
\(\frac{2} {\sqrt{21}}\)
\(\frac{4} {\sqrt{21}}\)
\(0\)
\(1\)

9000101009

Level: 
A
Determine whether the following two lines are identical, parallel, intersecting or skew. \[\begin{aligned} a\colon x & = t, & & \\y & = -t, & & \\z & = 1 - t;\ t\in \mathbb{R} & & \end{aligned}\]\[\begin{aligned} b\colon x & = -s, & & \\y & = s, & & \\z & = 1 + s;\ s\in \mathbb{R} & & \end{aligned}\]
identical lines
skew lines
intersecting lines
parallel, not identical lines