Question

Please help! Correct answer only, please! I need to finish this assignment this week. Determine the value of the following if it is possible. If it is not possible, explain. A. B. C. D.

Answer 1

Answer:

Option C is correct

Step-by-step explanation:

To multiply a scalar number with a matrix, we will multiply that number with all elements in matrix.

As shown in picture, suppose matrix B = 3 x matrix A

=> matrix B = [3x(-2)   3x0; 3x4 3x(-7)] = [-6 0; 12 -21]

=> Option C is correct