Question

Which is equal to K−L ?


K=[1325 7 18] L=[619 10 18]

Responses

[13251018]

Matrix with 2 rows and 2 columns. Row 1 column 1 entry is 13. Row 1 column 2 entry is 10. Row 2 column 1 entry is 25. Row 2 column 2 entry is 18.

[76−30]

Matrix with 2 rows and 2 columns. Row 1 column 1 entry is 7. Row 1 column 2 entry is negative 3. Row 2 column 1 entry is 6. Row 2 column 2 entry is 0.

[−7−630]

Matrix with 2 rows and 2 columns. Row 1 column 1 entry is negative 7. Row 1 column 2 entry is 3. Row 2 column 1 entry is negative 6. Row 2 column 2 entry is 0.

[7847570324]

Matrix with 2 rows and 2 columns. Row 1 column 1 entry is 78. Row 1 column 2 entry is 70. Row 2 column 1 entry is 475. Row 2 column 2 entry is 324.

Answer 1

K − L = [[13−6, 25−19], [7−10, 18−18]] = [[7, 6], [−3, 0]].

So the matching choice is the one representing the matrix [7 6; −3 0] (the "[76−30]" option).