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Test Bank for College Algebra 2nd Edition by Bernard Kolman

Test Bank for College Algebra 2nd Edition by Bernard Kolman, Arnold Shapiro and Michael L. Levitan

CHAPTER TEST lA
1. Write explicitly the elements of the set of all integers
n such that -5.1 < n < 0.3.
2. On the real number line, draw the graph of the set of real
numbers x such that -5.1 < x < 0.3.
In Problems 3-6 evaluate the given expression.
6 – (-4)I – 1-6+41
3.
|6| – |4|
\t – 4|s
ri—; when s = -2 and t = -1.
4 – 82 – 5(2 + (-1) 2)
1- + –
9 5
_L _ i
15 9
In Problems 7 and 8 perform the indicated operations and simplify.
7. -2(4-2/ – 3x + 5z) – 2{2x – z+ 4)
8. (4z – 3Àà + 1) (w – 2z + 5)
In Problems 9 and 10 factor completely using only integer
coefficients.
m 4 10. a: 2/ – -3,z2/* -Ë 4/ i– 7 +2 zy- +^ 14\ j
In Problems 11-14 simplify.
11.
2x + Sx – 3
12.
13.
14.
-x – 2x + 3
-x2 + a: + 2
Ë?2 – 7x + 12 x2 + 2x – 15
4a; – 1 x
2x + 5 2 – a;
3x 5__
X – 2 x + 1
1 +
15. Write the following as the ratio of two polynomials:
(X – 1) 1 + 1
– 3
X + X
1
4.
5.
6.
9. -3×2 + 4x + 32
CHAPTER TEST 1A
In Problems 16 and 17 simplify,
16. (.64) “k/Z
/ i \ ” 3 / 2 17 * U)
18. Rationalize the denominator:
/6 – JÏ
19. Perform the indicated operation and write your answer
using only positive exponents:
x Wx3 + Jx