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Unformatted text preview: Math 161 Homework Quiz 1 Name: I  Date: January 12, 2007. Instructor: Dr. Paul Choboter Show all your work neatly. 1. Determine the equation for the line with slope —2 and m—intereept (1, 0). 2. Find the center and the radius of the Circle given by the equation
0=I2+y2—4:13+2y— 11 (To do this, you must complete the squares.) Math 161 Homework Quiz 3 g Name: s w . _
8 Date: January 26, 2007. Instructor: Dr. Paul Choboter
Show all your work neatly.
1. Simplify the following expressions. Carefully show all your steps.
(3 ms) (a) 231%” K“ #3
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‘ 23.069 42 x If 2 :2,
_ 4 (31209 J >0 —?> ‘/
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2. L L "33091.; X
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(2 pts) (b) 111(372 — 1) — 111(21: + 1)
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. Mo (K 4) \ (3 pts) 2. Clearly label the following numbers on the logarithmicscale number line:
0.02, l, 5, 50, 100, 1000. \/ V l/ , WW
ﬁ 1—10 1 10 100 103 104 Math 161 Homework Quiz 4 2 Name: L. , )
8 Date: February 9, 2007. Instructor: Dr. Paul Choboter Show all your work neatly. (8 pts) 1. Use the formal deﬁnition of the derivative to ﬁnd the derivative of y = 5:132 at a: x —1.
41 (x) 1 ﬁlm i? CXHQ ?(¥)\/
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\/ Name:
lo Date: February 23, 2007. Instructor: Dr. Paul Choboter Show all your work neatly. (4 pts) 1. Find the line that is tangential to the circle :52 + y2 = 25 at the point (4, —3). (X 1 + {$1 1.253% (4 pts) 2. Assume that :1: and y are diﬁercntiable functions of t. Find Egg when :L'Qy : 1 and
V (13‘: 2 ._ dY
ﬁ=3for$=2 X LA\ 2Xa\_ of)
dt 22' Z: l F X l
\
L3 3F {(236394)
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bk ‘A d t _ 3
\<. , l f  “F
2xajraij+gé~x to O“ 4'
9‘3 x?— 1 “ ZXEH: “.‘J
01+
(2 pts) 3. Find the dcrivatixe of 9(3) : \
9C3.) 1'— (C03 (85) 2’
Wﬁs) : Air/(cogcg) 2 .
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