Vectors

Question 1 of 10

The points A(1, 2), B(3, 6), C(4, 8) are

Question 2 of 10

If a = 2i − j and b = 3i + 4j, find a · b.

Question 3 of 10

The position vector of the point (−2, 5) is

Question 4 of 10

Find the vector AB if A = (1, 2) and B = (4, 6).

Question 5 of 10

Find the scalar projection of a = 3i + 4j onto b = i.

Question 6 of 10

Two non-zero vectors are perpendicular when

Question 7 of 10

Find the unit vector in the direction of 3i + 4j.

Question 8 of 10

Find the unit vector in the direction of a = 4i − 3j.

Question 9 of 10

Find |3i − 4j|.

Question 10 of 10

If p = 2i + 3j and q = i − j, find 2p − q.