Exercises: Multiply a Vector by a Scalar

Work through each section in order. Show your work where indicated.

Grade 9·19 problems·~28 min·Common Core Math - HS Number and Quantity·standard·hsn-vm-b-5

Work through problems with immediate feedback

Recall / Warm-Up

Vector $\mathbf{v} = \langle 4, -3 \rangle$ . Which describes $2\mathbf{v}$ graphically?

An arrow twice as long as $\mathbf{v}$ , pointing in the same direction

An arrow twice as long as $\mathbf{v}$ , pointing in the opposite direction

An arrow rotated $90\degree$ from $\mathbf{v}$

An arrow with the same length as $\mathbf{v}$ but moved 2 units right