Exercises: Multiply Matrices by Scalars

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

Grade 9·18 problems·~25 min·Common Core Math - HS Number and Quantity·standard·hsn-vm-c-7

Work through problems with immediate feedback

Recall / Warm-Up

Matrix $A$ has dimensions $3 \times 5$ . What are the dimensions of $7A$ ?

$21 imes 35$

$3 imes 5$

$21 imes 5$

$10 imes 12$