Select the augmented matrix for the following system of equations.
y+2=3x
1/4z=z-1
z-8=x/2

Question

Select the augmented matrix for the following system of equations. 
y+2=3x
1/4z=z-1
z-8=x/2

zzr0ck3r · Answer

get them in the form
ax+by=c

zzr0ck3r · Answer

so the first equation is
-3x+y=2

zzr0ck3r · Answer

and then this will be one of the rows of the matrix
-3 1 2

anonymous · Answer

What about the backwards equation? c=by+ax?

zzr0ck3r · Answer

o sorry I didn't see the z
one of your rows will look like
-3 1 0 2

zzr0ck3r · Answer

ok note we have x y z as rariables

anonymous · Answer

Does that require a separation between the 0 and 2 for each row?

zzr0ck3r · Answer

so the first equation can be written as 
-3x+1*y+0*z=2 
does this make sense?

anonymous · Answer

Yes, that does.

zzr0ck3r · Answer

the second equation is
1/4z=z-1
can be written like
(1/4)z-z=-1 and so -(3/4)z = -1
so
we can write it like this
0*x+0*y-(3/4)z = -1
right?

anonymous · Answer

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