Math 103 Professor Katiraie Quiz One Fonn B Spring 2008
Name - - - - - - - - - - - - Note: Show all work. Unless a problem is marked with an asterisk (*),
use a calculator only to check.
1. Simplify: (Assume no variables are equal to zero.) (Must Show Procedure)
a.
7
72x- y-8 z 2
3x-1y-5
b.
X-3 -6 7 -2
2. Simplify:
­
(Assume no variables are equal to zero.)
3. Find the.oomain and Range of the following:
..,.
~
-
-
.
~
-
-
.
•
Domain:
....
"
6
.,.
Range:
b.
1-;--~--~-+--;0--~--~---1
Domain:
Range:
(3 points)
(2 points)
1II
a.
(2y2W-2)-3
-1
( xr..:.
yz
J
..
(4 points)
-;;
,-
)
\
..
4. Solve:
(2 points Each)
a) 3x-(-5x-4) =- 4(x+ 7)
5.
For the line 5x-4y = 12, find the following:
(3 points)
a. slope
b. y-intercept
c. x-intercept
,
6) Evaluate with your calculator:
(2 points)
-s±.Jl32
a.
6(11)
b. 5432.01(1 + .~2 )12(14) Assume this is a calculation involving money.
1
7. Solve the following algebraically -3 - 5x =- x + 7
6
(2 points)
~
Math 103 Professor Katiraie Quiz One Form A Spring 2008
Name
- Note:
- -Show
- -all-work.
- -Unless
- -aproblem is marked with an asterisk (*),
use a calculator only to check.
1. Simplify:
x-3y-6 Z -2
5
[
X
(-~
yz
-4
-7
J-3 (Assume
, no variables are equal to zero.)
~J-3
(3 points)
~f '2-1 ':l::-~
-X~
0;tt
tL
_
X
~
1.)
cb
. 2. Simplify: (Assume no variables are equal to zero.) (Must Show Procedure)
a.
72X -7 Y -8Z 2
3x-1y-5
b.
-7 +-1 -g+ 5
-~-
2jf Xd-b -3 1­
'2--L{- x..
t
'l-lf C 1.­
c
tt..
(
2y 2W -2
)-3
(4 points)
--
-
b~3
3. Jnn';rn;~rlm;a;-;tnn-;;and Range ofthe following:
~
.,
a.
•
-
-
(2 points)
.
-
-
-
6
.Ill
'II
b.
~ I ~ I {o I ;
Domain: ~ 0J 2; 3, 'f; 5J
I ;
I
I
~
[­
.,
*4. Evaluate with your calculator:
-5±.Jm
a.
6(11)
r
-==
b.
5.
5432.01(1+·<j4f) ( )
;:='
-~-.ffi1- ~ -l~.bfo±~9_- -~O J
., ,-
bb...
Solve the following algebraically -3 - 5x = !.x+ 7
6
(2 points)
-\~ -30,( ==
X +4-1­
=-
+1 +l g
-1\)(:=
'0
_-'0
===:}X -
6) Solve:
"31
(2 pomts Each)
a) 3x-(-5.t-4) = - 4(x+ 7)
3X + ~X
-+ f
b)
.::: -'Ix. - '2..8
,1 ;:'
"....
. )8ij)
(Z~~·i-·::
_8
3
7. For the me x -
- 2, find the following:
-tf-d ==
a.sloP~~IJ
b. y-intercept
c. x-intercept
(0 _ '3 '\
\v.
.)
I
12
V
J'
t . -=- 0
\~s·)
x 2 -7x+1O=O
~-~_?j=o
\2.. X .:::: _. "3 ~L
t,1 .
.t-:J
Assumethisis~calculatlOnmvolvmgmoney.
- '3 \)(
~
(2 points)
-(; +-v 1'31-­
d" ()9 ~
Z~
t
1214
r;-;:;:::
./
--$)(
+' 1­
(3 points)