heathernelly
PLEASE HELP!! matrix



This Question is Closed

heathernelly
Best Response
You've already chosen the best response.
1

heathernelly
Best Response
You've already chosen the best response.
1
@jim_thompson5910 do you know how to do this? :)

heathernelly
Best Response
You've already chosen the best response.
1
@Luis_Rivera can you help me pleasee

nubeer
Best Response
You've already chosen the best response.
0
you have to find the X matrix right?

heathernelly
Best Response
You've already chosen the best response.
1
hmm i'm not sure

heathernelly
Best Response
You've already chosen the best response.
1
do you want me to tell you the choices?

nubeer
Best Response
You've already chosen the best response.
0
umm ok..

heathernelly
Best Response
You've already chosen the best response.
1

heathernelly
Best Response
You've already chosen the best response.
1

heathernelly
Best Response
You've already chosen the best response.
1

heathernelly
Best Response
You've already chosen the best response.
1

jim_thompson5910
Best Response
You've already chosen the best response.
1
dw:1366763725969:dw

jim_thompson5910
Best Response
You've already chosen the best response.
1
first multiply the scalar 2 by the matrix
2 8
4 2
to get
2*2 8*2
4*2 2*2
4 16
8 4
so we now have this
dw:1366763853215:dw

jim_thompson5910
Best Response
You've already chosen the best response.
1
your next step is to subtract this matrix you just got from both sides
dw:1366763918364:dw

jim_thompson5910
Best Response
You've already chosen the best response.
1
doing that will cancel out these matrices on the left side
dw:1366763994359:dw
since they add or subtract to the zero matrix

jim_thompson5910
Best Response
You've already chosen the best response.
1
so this is what we have now
dw:1366764038495:dw

jim_thompson5910
Best Response
You've already chosen the best response.
1
I'll let you finish up

heathernelly
Best Response
You've already chosen the best response.
1
thank you soooo much!!!! i understand now :)

jim_thompson5910
Best Response
You've already chosen the best response.
1
ok great, tell me what you get for the matrix X

heathernelly
Best Response
You've already chosen the best response.
1
was just finishing up stuff, but i got 0 5
5 6

jim_thompson5910
Best Response
You've already chosen the best response.
1
you nailed it, nice work