Given the vectors r and p. Evaluating r + p gives:
B.
A.
C.
D.
Given that the matrix below is equal to 0, then x is:
-2.
8.
2.
-6.
The figure is a vector diagram where OA = a, OB = b and BE = 2OA, then AE is:
-a + b.
3a + b.
a + b.
a - b.
Given the vector OP = -4i + 3j, |OP| is:
7.
1.
25.
5.
The magnitude of the vector -5i + 12j is:
13.
17.
√119.
