The vector OP = i - j lies in the:
3rd quadrant.
1st quadrant.
4th quadrant.
2nd quadrant.
Given that the matrix below is equal to 0, then x is:
-2.
8.
-6.
2.
Given the vectors a and b, a + b is:
B.
C.
D.
A.
The magnitude of the vector -5i + 12j is:
13.
17.
√119.
7.
Given that OP = 3i − 5j and OQ= −2i + j, the vector QP is:
5i - 4j.
-5i + 6j.
i - 4j.
5i - 6j.