1.
Which element is in row 3, column 1?
A.
4
B.
-1
C.
6
D.
9
Hint
2.
Solve [3
x
8
y
] = [-12 1] for
x
and
y
.
A.
x
= -4
y
= 8
B.
x
= 4
y
= 1
C.
x
= -4
y
=
D.
x
= -12
y
= 1
Hint
3.
Solve
.
A.
(-2, -8)
B.
C.
D.
(2, 8)
Hint
4.
Which of the following matrices is equal to
A.
B.
C.
D.
Hint
5.
Solve
A.
(1, –2)
B.
(2, –1)
C.
(–2, 1)
D.
(–1, 2)
Hint