Question

Determine whether it is possible to multiply the following matrices. If so, what is the dimension of the product?
Matrix A is 3x1
Matrix B is 1x4
Is it possible to find the product AB?
yes or no
Select the correct choice below and fill in any answer boxes in your choice.
a. the resulting matrix AB is ___ x___
b. the product is undefined.

Answer 1

@jim_thompson5910

Answer 2

wait what about the last one? we just did only one entry of the 2x2 answer matrix

Answer 3

we will go back to that question later but we must continue with this question :p

Answer 4

alright

Answer 5

okay so how do i find this @jim_thompson5910

Answer 6

if the number of columns of the first is equal to the number of rows of the second , multiplication is possible .. the resultant will have the other two values as its dimensions

Answer 7

so it is possible?

Answer 8

yes

Answer 9

3 X (1 and 1) X 4 will have a resulting dimension of 3 X 4

Answer 10

yes because the number of columns in matrix A is the same as the number of rows in matrix B

Answer 11

okay so AB is 3 X 4?

Answer 12

yes :)

Answer 13

thank you!