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CHAPTER R, FORM A
COLLEGE ALGEBRA AND TRIGONOMETRY
NAME
DATE
1. Let A =
¹
'
(-
't
9.6, 54
, 6ï°, 0, 13, 2.15, 16
,
'
¹
7 5 'j
List the elements of A that belong to the given set.
a. Natural numbers 1. a.
b. Rational numbers b.
c. Irrational numbers c.
2. Evaluate the expression if x = -2 ,
2y - x
2
y = -4 , and z =1 : 2.
L ⎦
c.
l
'
1
â‹…
2ı
h
â‹…
3
=
1
â‹…
'
l2
â‹…
3ı
h
c. 'y
ı ' ı
2 3j 4 2 y3 4j
d. 1
( p +3) = ( p +3)â‹…
1
d.
2 2
Perform the indicated operations.
4. F(3a +b)-2l
2
4.
5. (3x
2
- 2x -5)-(2x
3
+ x -7)+ 2x
2
(x -3)
6. (x
2
- x +2)(2x -3)
5.
6.
7. F(x - y)-7l F(x - y)+ 7l 7.
8. (2x + 5)
3
8.
3y
4
-5y
3
-14y
2
+10y
9.
y
2
-2
9.
10. x
2
-9 â‹…
x -1
10.
x
2
-x x
2
-3x
11. 3x
-
x
-
3x+1 11.
INSTRUCTOR ‚ „ S TESTING MANUAL COLLEGE ALGEBRA AND TRIGONOMETRY SEVENTH EDITION Lial American River College, Hornsby University of New Orleans, Schneider University of Maryland Complete And Study material 366pages LEARNEXAMS
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