Operations with Matrices Practice

Question

Complete this assessment to review what you've learned. It will not count toward your grade.
2 of 52 of 5 Items

Question
Add matrix K and matrix L.

K=[31−42] L=[−5 879]

(2 points)
$$

Answer 1

K=[3,1; -4,2] L=[-5,8; 7,9]

To add matrices K and L, we simply add the corresponding elements together:

K + L = [3+(-5), 1+8; -4+7, 2+9]
= [-2, 9; 3, 11]