Instruction: Choose the

**best**answer.

1. Which of the following is the solution set of the equation x^2-2x-15 = 0

a. (3, -5)

b. (5, -3)

c. (15, -1)

d. (-15, 1)

2. The next term in the progression 2, 8, 32, 128 is …

a. 128

b. 256

c. 512

d. 1024

3. Solve for x in the equation 3 lnx = 8

a. e^ (8/3)

b. e^ (3/8)

c. e^ (4/3)

d. e^ (3/4)

4. If x + y = 1 and x^2+y^2=2. Find x^4+y^4

a. ½

b. 3/4

c. 15/4

d. 7/2

5. If lnx=5 and lny=2, lnx3/lnx4

a. 10/3

b. 15/8

c. 125/16

d. 5/2

6. Joan can type the whole document in 3 hrs. On the other hand, James, being new to the job can type the same document in 5 hours. If they work together, how long can they finish 2 documents?

a. 3 hrs

b. 3.5 hrs

c. 2.75 hrs

d. 3.75 hrs

7. Three numbers are in the ratio 1: 2: 4. Find the numbers if their sum is 42.

a. 6, 12, 24

b. 4, 12, 36

c. 4, 16, 22

d. 3, 15, 24

8. Find the sum of the coefficients in the expansion of (5x-4)^5

a. 32768

b. 25

c. 243

d. 32

9. Evaluate the expression log 3+ log 2+ 4log7

a. 9.58

b. 4.79

c. 3.43

d. 4.16

10. The sum of an infinite geometric progression is 3 and the common ratio is 1/3. What is the first term?

a. 3

b. 2

c. 1

d. 6

**ANSWERS AVAILABLE HERE...**

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