Math 100 Test 1 5 pts each
Jan. 23, 2003
Perform the operations and reduce all
fractional answers to lowest terms.
Eliminate all negative exponents.
1.
2.
3.
4.
2Ÿ 32 - 4Ÿ 3 Ö 6 + (-3 - 2)
5.
65 69
6.
z3 / z9
7.
x2 y3
x y -2 x2 y
8. (w2
h3)4
9.
- 5 -2
10.
(-5) 2
11. (-3x) 2
12.
Graph on a number line:
13.
-2 ² x < 5
14. Simplify the following expression. Write the answer in scientific
notation.
15. Evaluate the given expression using
a = -2 , b = 1, and c = -3
2ab - bc2 + 3a3 - (b - c)
Solve the equation for the unknown.
16.
3x = -2
17.
5 + 4x = -11
18.
2x + 5 = 6x - 9
19.
20. Simplify :
8 - 3{ 5 + 2 [ 12 - 3(4 - 6)]}
10 Pts Bonus!