Which matrix is equal to... (picture added)

Question

asked Apr 19, 2020 184k views

2 Answers

Gluecks · Answer 1 · 2020-04-24T13:55:48+0000

Answer:

D
$\left[\begin{array}{ccc}-6&-6.5&1.7\\-2&-8.5&19.3\end{array}\right]$

Explanation:

Two matrices are equal when they

have the same sizes (so options A and B are false)
have equal corresponding elements (so option C is false, because -6≠6, -6.5≠6.5, 1.7≠-1.7 and so on)

If in option D the second row is 2 -8.5 19.3 , then these matrix is equal to the given.