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Test 1 with Answer Key - College Algebra | MATH 1111, Exams of Algebra

Material Type: Exam; Professor: Leach; Class: College Algebra; Subject: Mathematics; University: University of West Georgia; Term: Spring 2009;

Typology: Exams

Pre 2010

Uploaded on 08/03/2009

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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.
1)
x2 + 2x - 8
x2 + 7x + 12
A)
x - 2
x + 3
B)
x + 4
x - 4
C)
x - 1
x + 4
D)
x + 2
x - 3
1)
Find the product or quotient.
2)
5p - 5
p
÷ 9p - 9
3p2
A)
45p2 + 90p + 45
3p3
B)
5
3p
C)
3
5p
D)
15p3 - 15p2
9p2 - 9p
2)
Perform the indicated operations.
3)
5
6xy
+ 4
15x2
A)
25x2+8y
30x2y
B)
25x+8y
30x2y
C)
99
60x
D)
17
30x
3)
Simplify the expression.
4)
5x-3
A)
5
x3
B)
- 1
15x
C)
-15x
D)
1
125x3
4)
Perform the indicated operations. Write the result using only positive exponents. Assume all variables represent
nonzero real numbers.
5)
24a-4b2
3a-12b6
A)
8b5
a8
B)
- a7
8b5
C)
-8ab2
D)
8a8
b4
5)
1
pf3
pf4

Partial preview of the text

Download Test 1 with Answer Key - College Algebra | MATH 1111 and more Exams Algebra in PDF only on Docsity!

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

  • 2 x - 8

x

  • 7 x + 12

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

  • 90 p + 45

3 p

B)

p

C)

p D)

15 p

  • 15 p

9 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.

  1. 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.

  1. 9 k
  • k

; k

A) k

( 9 k^6 + 1) B) 9 k

(k^5 + 1)

C) k

( 9 k

    1. D) 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.

  1. 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.

  1. P = 2l + 2w, for l

A) l = P - 2 w - 2 B) l =

P

  • 2 w C) l =

P

2 w + 2

D) l =

P - 2 w

Solve the problem.

  1. 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

  1. 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