I\lath 1050
Make Up for Exam 2
March 9. 2012
Answer all questions below. Every question is worth the same number of
points. You may use the available space for work, but must write ALL
answers on the answer sheet.
No cell phones. calculators, or notes are allowed during the exam. These
rules will be strictly enforced.
Name:
Number:
True or False: For #1-8 decide whether the statement is true or false. Write the entire
word “True” or the entire word word “False.”
1. (1(1)
(lb
C
2. ~/,r I
V~-~ c’V
~i
3. (.r + y)”
,r” +?
1.r~
~t~/~j
5. (ag)”
“y”
~t
4~i\se
\“t ~S
~,q
6.~/i
7. —a’
tCo~t
(IC
3a2
q a
-11 has 8 roots,
fuN”
8. (
—
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Algebra
9. Find a
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In r
‘II
iIJl(’
1
23
J,il)(
ii,,,.
~iii~l q(
I
‘.
lii
ii
liii i>
q
11. Find the inverse of f(x)
~3x
4. (You can check your answer by seeing if f’ of (x)
%j3jq;3)C
I
~
12.
\Vhat i.
thc iinplinl loiuain ol q(i)
inteival.
-Zj≥ C)
aR
•2~
‘~‘
—
+
inswer should be an
13. Find the quotient
3x3
a:2
612+2
I
3)’-’
?-i
3?__—3X
-~x2--3X 4t
i-C.
—_
~3%
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FinC t lie quot lent
5.r4
Sr
.r
6
3
0
0
‘tG
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I
I
•~.
5x’~’.1.. iSi~ +%5x
~Ifl
it!
135
390
13°
39k
346
~i3O
\VIi at s t he slope oF he si might line in 1K2
I
U
—5
lint passes t liioii”Ii
-
-10
-1
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h
poit S
L2 and
16. Complete the square: Write 3x2
4x + 5 in the form a(x +
I’
4-5 ~-7~
—
)ct
17. How many roots does
4x
322
3 lia~e?
(q.)’ q(3)cs) ~/6 3’’(°
~c
lb. Find
(jif) )OOtS
of
(M3-
2,2
/20
6.~
fl)2 + 7.
where a.$,7 eR.
20. (2 points) Conipletelyfactor —2x3+8z2—2x+8. (Hint: 4 is aroot) (Your answershould
he a product of a constant and maybe some linear and quadratic polynomials that have
leading coefficients equal to 1. and such that any of the quadratics in the product have
no roots.)
L(~-~ (~k)
Graphs
21. List all the monic linear factors of p(x) that you know from the graph below.
~1*
—1~
-9/-Ill
100
lEs
(j’~xu) (x-2-)
22, Crnplt
j
I
23. (3r;ipli ~
2—1. C;tij,l,
25. Cl •~i~Il
20. (~
ijill
iii
5
l,il)(’l its
I
I I Ii( )
I
(j
iii~I III)t’I
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hf
illt( I (
iiiiiiI
iiit( I (.(
itd lI~ I
it
/1
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I
iiI(
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ii
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liii (I
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i
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l.I
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uhf
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K6
Number:
-
3
At
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15~7~qç~ ~13c
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t
Lt
a
toot-S
roe ~
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