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Pop Quiz: All About the Letter X

We hope you'll have a bit of fun with the weekly Pop Quiz. Answer the questions to the best of your ability. In order for the Professor to grade your quiz, all questions must be answered (even if you have to make a very educated guess). After your Pop Quiz has been graded, you'll be able to see how well you did in relation to all of the others who took the test. Those who score a "B" or better are eligible to enter the AdjunctNation.com weekly giveaway drawing. Good luck!

1.

Which Greek letter represents the letter X?

Chi
Omega
Gamma

2.

In Roman numerals, XLII represents how much?

52
42
32

3.

On military maps, X represents which kind of troops?

Cavalry
Infantry
Gunners

4.

In algebra, X is very commonly associated with what?

The sum of the negative numbers
An unknown variable
The associative property

5.

In which language is X only used in foreign loan words

English
Italian
Polish

6.

The letter X was brought to English from which modern alphabet?

Latin
Green
Cyrillic

7.

In the English language, the letter X is most often found with which letter before it?

The letter A
The letter O
The letter E

8.

In a graph, the X axis represents which axis?

Vertical
Horizontal
Diagonal