Learn how to determine the resultant vector from a scalar and vector then graph

What is the initial vector 'u' as introduced in the video?

• (2, -1)

• (-2, 1)

• (3, 2)

• (1, 2)

What operation is performed on the vector 'u' in the video?

• Subtraction

• Division

• Scalar Multiplication

• Addition

How is the scalar multiplication of the vector 'u' by 4 represented?

• (4 * 2, 4 * -1)

• (2 * 4, -1 * 4)

• (2 + 4, -1 + 4)

• (4 - 2, 4 + 1)

What is the result of multiplying the vector 'u' by 4?

• (8, -4)

• (4, -8)

• (8, 4)

• (-8, 4)

What is the effect of multiplying a vector by a scalar?

• It negates the vector.

• It quadruples the vector.

• It halves the vector.

• It doubles the vector.