Question

help with this matrices please

Answer 1

whtz ur question

Answer 2

damn you two are same roselast and you

Answer 3

what do you mean

Answer 4

Now whats the problem here ...

Answer 5

you two have same assignment

Answer 6

[18 -9 20]
[3 8 -19]

Answer 7

if you are rotating a point (x,y) about the origin 180 degrees, thats like multiplying by the matrix:
-1 0
0 -1

so just multiply each column by that matrix.

Answer 8

nah im getting all my questions out of a practice book