If P=
–2 –3
0 –5
–4 1
and Q=
3 –7
4 1
4 7
what is P–Q?
If the matrix exists, select its size before entering your answer. If the matrix does not exist, select undefined.
1x1, 1x2, 1x3, 1x4
2x1, 2x2, 2x3, 2x4
3x1, 3x2, 3x3, 3x4
4x1, 4x2, 4x3, 4x4
Undefined
1 answer
The matrix P-Q is undefined because the matrices P and Q do not have the same dimensions, so they cannot be subtracted from each other.