Given that OP = 3i − 5j and OQ= −2i + j, the vector QP is:
-5i + 6j.
i - 4j.
5i - 4j.
5i - 6j.
Given that the vectors 6i + 15j and xi − 5j are parallel, the value of x is:
-2.
2.
-3.
3.
Given the vector OP = -4i + 3j, |OP| is:
7.
5.
1.
25.
Given the vectors a and b, a + b is:
C.
A.
B.
D.
The direction of the vector -3i -3j is:
225°.
315°.
45°.
135°.
