Is the vector [2, 4] parallel to [1, 2]?
Is the vector [2, 4] parallel to [1, 2]?
Approach: Check if one is a scalar multiple of the other.
Yes. [2, 4] = 2 * [1, 2].
Follow-up: Are they the same magnitude?
Key concepts: parallel vectors.
Is the vector [2, 4] parallel to [1, 2]?
Approach: Check if one is a scalar multiple of the other.
Yes. [2, 4] = 2 * [1, 2].
Follow-up: Are they the same magnitude?
Key concepts: parallel vectors.