Pretest #1 - Chapters 1 & 5
This is a sample exam from a
previous semester to give you an idea of the format of your first exam. The
answers are after the questions.
1. Evaluate: (4 points each)
a) 
b) 
2. Simplify each expression.
Write the answers without negative exponents (4 points each).
a) 
b) 
c) 
d) 
3) Express each number in
scientific notation ( 3 points each).
a)
.00000000091
b) 824,000,000
4. Perform the indicated operations (4
points each).
a) 
b) 
c) 
d) 
e) 
f) 
5. Divide (4 points each)
a) 
b) 
6. Factor completely (4
points each).
a) 
b) 
c) 
d) 
e) 
7. Solve (4 points each).
a) 
b) 
c) 
8. The length of a rug is one
foot shorter than twice the width. If the area of the rug is 10 meters, find
the length and width
(6 points).
Answers
1a) -9 1b)
undefined
2a) 
2b) 
2c) 
2d) 
3a) 
3b) 
4a) 
4b) 
4c) 
4d) 
4e) 
4f) 
5a) 
5b) 
6a) 
6b) (x - 6)(3x - 2) 6c)
(3x - y)(5x - 2y)
6d) 4xy(2x - y)(x - 2y) 6e) 
7a) x = -4, x = 3/2 7b) x = 0, x = 9 7c) x = 5/7, x = -5/7
8) length = 5/2 meters, width
= 4 meters