Given the vectors p and r, then p - r is:
A.
D.
B.
C.
Given the vectors a and b, a + b is:
Given that a = 3i + 4j and b = i − 2j, the |a + b| is:
5√4.
4√5.
2√5.
5√2.
Given that OP = 3i − 5j and OQ= −2i + j, the vector QP is:
5i - 4j.
i - 4j.
5i - 6j.
-5i + 6j.
The magnitude of the vector -5i + 12j is:
13.
√119.
17.
7.
