Question

what is the length (magnitude) of vector (-4,2)

Answer 1

Answer:

2√5

Step-by-step explanation:

Answer 2

Answer:

√20 & 2√5

Step-by-step explanation:

The magnitude of given vector v = √(x^2 + y^2)

√((-4)^2 + (2)^2) = √20 or simplified 2√5