1.
Solve
for
x
by the method of determinants.
A.
B.
C.
11
D.
Hint
2.
Solve
for
n
by the method of determinants.
A.
B.
C.
D.
Hint
3.
Solve
by the method of determinants.
A.
(-0.2, 0.4)
B.
(-0.4, -0.2)
C.
(0.4, 0.2)
D.
(-0.2, -0.4)
Hint
4.
Solve
by the method of determinants.
A.
B.
C.
D.
Hint
5.
Which method of finding solutions would work best to find the solutions to the system
and state why?
A.
determinants and matrices, because there are fewer calculations
B.
adding or subtracting
C.
adding and multiplying
D.
substitution
Hint