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