VECTOR

If vector h = (3,-5) and vector k = (5, 9), find the sum.

• h + k = (8,-14)

• h + k = (8,4)

• h + k = (-2,4)

• h + k = (2,-14)

which of the following is a vector in standard position, if the coordinates of their tail and head are given?

• A(2,1) B(0,0)

• C(0,0) D(5-12)

• E(0,-1) F(9,-2)

• V(-1,-2) X(0,-1)

Which of the following figures represent equal Vectors?

• A only

• A and B

• C only

• All of them

Find the magnitude of Vector AB if A(2,1) and B(2,3).

• 2

• -2

• 2 and -2

• All of them.

Which of the following is the difference of vector black and vector red (black - red).

• green

• purple

• blue

• orange

What is the result when multiplying Vector by a Vector using Cross Product.

• Scalar

• Vector

• 1

• Undefined

Which of the following is NOT used in adding 2 or more vectors graphically?

• Triangular Addition

• Parallelogram Addition

• Polygon Method

• Pyramid Method

Calculate the cross product of (1, -2, 1) and (2, -1, 1)

• ( -1, -1, 3)

• 5

• 3

• (-1, 1, 3)

If ||v||= 8, ||w||=6 and the angle between them is θ = 240˚ Find the product of vector v and vector w using dot product.

• 24

• -24

• 48

• -48

What is the angle formed between two vectors (orthogonal) using dot product ?

• 45 degrees

• 90 degrees

• 180 degrees

• 60 degrees