9000108706 | math4u.vsb.cz

SubArea:

Points and vectors

Level:

Project ID:

9000108706

Accepted:

1

Clonable:

0

Easy:

0

Find all vectors which are parallel to the vector

\vec{u} = (3; - 1)

and have the length equal to

1

.

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

,

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

(0; - 1)

,

(0; 1)

(- 3; 1)

,

(3; - 1)

(\frac{3}{4}; - \frac{1}{4})

,

(- \frac{3}{4}; \frac{1}{4})