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College Algebra Spring 2009 Dr. Leach
Test 1
Mark your answers on your scantron sheet. You Must put the test version (A,B,C,or D) on your scantron sheet.
You may use scratch paper, but you must staple it to this test and turn it in. I will return it with your scantron.
You may use a calculator, other than a TI- 89 or TI-92.
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Write the expression in lowest terms.
x
x
A)
x - 2
x + 3
B)
x + 4
x - 4
C)
x - 1
x + 4
D)
x + 2
x - 3
Find the product or quotient.
5 p - 5
p
÷
9 p - 9
3 p
A)
45 p
3 p
B)
p
C)
p D)
15 p
9 p
Perform the indicated operations.
6xy
15x
A)
25x
+8y
30x
y
B)
25x+8y
30x
y
C)
60x
D)
30x
Simplify the expression.
- 5 x
A)
x^3
B) -
15 x
C) - 15 x D)
125 x^3
Perform the indicated operations. Write the result using only positive exponents. Assume all variables represent
nonzero real numbers.
24 a-^4 b^2
3 a-^12 b^6
A)
8 b^5
a^8
B) -
a^7
8 b^5
C) - 8 ab^2 D)
8 a^8
b^4
Factor, using the given factor. Assume all variables represent positive real numbers.
- 9 k
; k
A) k
( 9 k^6 + 1) B) 9 k
(k^5 + 1)
C) k
( 9 k
( 9 k^5 + 1)
Simplify the expression involving rational exponents.
A) - 16 B) 16
C) - 4 D) Not a real number
Simplify. Assume that all variables represent positive real numbers.
A) 10 3 B) 2 3 C) - 10 3 D) 7 3
Simplify the expression. Assume all variables represent positive real numbers.
18 k
q
A) 3 q
2 k
7 B) 3 k
q
2 k C) 3 k
q
2 k D) 3 k
q
Solve the equation.
- 2 x - 5 - 2 (x + 1) = 2 x + 1
A) - 4 B) 4 C) - 1 D) 1
7 x
A) - 8 B)
C) -^
D) 36
Solve the formula for the indicated variable.
- P = 2l + 2w, for l
A) l = P - 2 w - 2 B) l =
P
P
2 w + 2
D) l =
P - 2 w
Solve the problem.
- In the morning, May drove to an appointment at 50 mph. Her average speed on the return trip
in the afternoon was 40 mph. The return trip took
hour longer. How far did she travel to the
appointment?
A) 100 mi B) 80 mi C) 2 mi D) 30 mi
- Find the length of a rectangular lot with a perimeter of 126 m if the length is 7 m more than the
width.
A) 35 m B) 63 m C) 28 m D) 70 m
Answer Key
Testname: TEST
1) A
2) B
3) B
4) A
5) D
6) D
7) B
8) A
9) C
10) A
11) C
12) D
13) A
14) A
15) D
16) A
17) B
18) C
19) C
20) C
