9000108701 | math4u.vsb.cz

SubArea:

Points and vectors

Level:

Project ID:

9000108701

Accepted:

1

Clonable:

0

Easy:

0

Find all vectors which are perpendicular to the vector

\vec{u} = (3; 4)

and have the length equal to

1

.

(\frac{4}{5}; - \frac{3}{5})

,

(- \frac{4}{5}; \frac{3}{5})

(\frac{4}{7}; - \frac{3}{7})

,

(- \frac{4}{7}; \frac{3}{7})

(\frac{1}{\sqrt{10}}; - \frac{3}{\sqrt{10}})

,

(- \frac{1}{\sqrt{10}}; \frac{3}{\sqrt{10}})

(\frac{4}{5}; \frac{3}{5})

,

(- \frac{4}{5}; - \frac{3}{5})