IViatli 1050-003: Quiz 7
April 19 2016
SO\AtOn
Name:
Answer the questions in the space provided. SHOW ALL WOBK and put your
final answer in the space provided. You may use your notes. textbook, homework,
and other students, but the use of any electronic device is not permitted.
1. (6 points) Solve the following system:
3x+y—2z=—7
Zv+2y+z=9
—x —y±3z=6
A
÷ z-
+0 e
2+
2
it
j
9
7
QITh
\)Q
PüC
-27
So\
fo
+—2
)
(1)
1
(_z5)
April 19, 2016
Page 2 of 2
Math 1050-003
2. (5 points) Find the product:
/3
(—2, 1, 4) —1
(
‘1-
—
=
-
(2)
3. (5 points) Find the product:
()
(\±(L4
-(s
)
/
Z
(3)