9000151310
Level:
A
Find the value of the real parameter
\(a\) which ensures, that
the following two lines \(p\)
and \(q\)
are perpendicular.
\[
p\colon ax + y - 4 = 0,\qquad q\colon x + 2y + 4 = 0.
\]
\(- 2\)
\(2\)
\(1\)
\(- 1\)
Analytical plane geometry
9000151303
Level:
B
Find the angle \(\varphi \)
between the lines given by their slope-intercept equations
\(y = 6\) and
\(y = \frac{3}
{4}x\).
\(36^{\circ }52'\)
\(45^{\circ }59'\)
\(64^{\circ }33'\)
\(76^{\circ }11'\)
9000151306
Level:
B
Find the angle \(\varphi \)
between the lines \(p\)
and \(q\)
given by their parametric equations.
\[
p\colon \begin{aligned}[t] x& = 1 - t, &
\\y& = 2 + t;\ t\in \mathbb{R},
\\ \end{aligned}\qquad q\colon \begin{aligned}[t] x& = 4 - k, &
\\y& = 5 + k;\ k\in \mathbb{R}.
\\ \end{aligned}
\]
\(0^{\circ }\)
\(90^{\circ }\)
\(60^{\circ }\)
\(30^{\circ }\)
9000151305
Level:
B
Find the angle \(\varphi \)
between the lines \(x + y + 1 = 0\)
and \(x - y - 1 = 0\).
\(90^{\circ }\)
\(0^{\circ }\)
\(30^{\circ }\)
\(60^{\circ }\)
9000151301
Level:
B
Find the angle \(\varphi \)
between the lines \(3x - 7 = 0\)
and \(x + y + 13 = 0\).
\(45^{\circ }\)
\(90^{\circ }\)
\(60^{\circ }\)
\(30^{\circ }\)
9000151308
Level:
B
Given points \(A = [-1;4]\),
\(B = [2,-2]\) and
\(C = [5,-1]\), find the angle
\(\beta \) (the interior angle
at the vertex \(B\))
in the triangle \(ABC\).
\(98^{\circ }08'\)
\(81^{\circ }53'\)
\(76^{\circ }17'\)
\(68^{\circ }27'\)
9000149402
Level:
B
Find the distance from the origin (i.e. the point
\([0.0]\)) to the
line \(p\colon x + 2y + 5 = 0\).
\(\sqrt{5}\)
\(1\)
The origin is on the line \(p\).
\(8\)
9000149403
Level:
B
Find the distance from the point \(M = [1;1]\)
to the line \(p\).
\[
\begin{aligned}p\colon x& = 3 + t, &
\\y & = 1 + t;\ t\in \mathbb{R}
\\ \end{aligned}
\]
\(\sqrt{2}\)
\(2\)
\(1\)
\(0\) (the point is
on the line \(p\) )
9000149404
Level:
B
Given points \(A = [-3;13]\),
\(K = [0;4]\),
\(L = [-5;-6]\), find the distance
from the point \(A\)
to the line \(KL\).
\(3\sqrt{5}\)
\(3\)
\(5\)
\(\sqrt{5}\)
9000149407
Level:
B
Find the distance between the lines \(p\colon 3x - 4y + 1 = 0\)
and \(q\colon 3x - 4y + 4 = 0\).
\(\frac{3}
{5}\)
\(1\)
\(4\)
\(0\) (the
lines have an intersection)