Special Topics 1 Prelim Exam Part 1

Log(MN) is equal to_______

• logM-N

• logM+N

• NlogM

• logM+logN

(a-b)³ is equivalent to which of the following?

• a³ -3a²b-3ab²-b³

• a³ +3a²b+3ab²-b³

• a³ +3a²b+3ab²+b³

• a³ -3a²b+3ab²-b³

A rubber ball is made to fall from a height of 50 feet and is observed to rebound 2/3 of the distance it falls. How far will the ball travel before coming to rest if the ball continues to fall in this manner?

• 200m

• 225m

• 250m

• 300m

If a>b and c>d, the (a+c) is ______ of (b+d)

• Less than

• Greater than

• Equal to

• Less than or equal to

One is to fifty-two and one half as three and one-third is to _________.

• 185

• 175

• 165

• 155

The logarithm of a number to a given base is called the ___________.

• Exponent

• Index

• Base

• Matrix

If the lead contains 63% silver, ________ grams of soldering lead can be made from 520 grams of silver.

• 852.4

• 825.4

• 845.2

• 842.5

When rounded off to two significant figures, the number 4.371 X 10^-10 becomes __________.

• 4.4 X 10^-10

• 4.0 X 10^-10

• 4.3 X 10^-10

• 4.2 X 10^-10

If A is 10% greater than B and B is 20% less than C, express A in terms of percentage of C.

• 68%

• 78%

• 88%

• 58%

A number when divided by 6 leaves a remainder of 5, when divided by 5 leaves a remainder of 4, by 4 leaves a remainder of 3, by 3 leaves a remainder of 2, and by 2 leaves a remainder of 1.

• 29

• 49

• 59

• 69