Science Bowl Practice Questions

Math - 12

94.

Multiple Choice: What type of numbers are included in the real number line that are not included in the
rational number line?

w) whole numbers
x) integers
y) irrational numbers
z) fractional numbers

ANSWER: Y -- IRRATIONAL NUMBERS

95.

Multiple Choice: A square matrix which has all zeros below the main diagonal is called:

w) upper triangular
x) singular
y) lower triangular
z) invertable

ANSWER: W -- UPPER TRIANGULAR

96.

Short Answer: Express the binary number 10010 as a decimal number.

ANSWER: 18

97.

Short Answer: Express the decimal number 27 in Base 16 (Hexadecimal).

ANSWER: 1B

98.

Short Answer: What is the limit of the cos(X) (read: cosine of X) a X approaches zero?

ANSWER: 1

99.

Short Answer: What is the limit of the fraction 1/x as x approaches infinity?

ANSWER: 0

100.

Short Answer: What is the limit of the fraction x/(x+1) as approaches infinity?

ANSWER: 1