9000108806 | math4u.vsb.cz

SubArea:

Points and vectors

Level:

Project ID:

9000108806

Accepted:

1

Clonable:

1

Easy:

0

Find the coordinate

y

which ensures that the vectors

\vec{u} = (- 6; y; 3)

and

\vec{v} = (12; 4; 4)

are perpendicular.

15

12

\sqrt{5}

\frac{5}{3}