Real Number System Review

Front

What is the difference between whole numbers and natural numbers?

Back

Whole numbers include all natural numbers plus zero (0). Natural numbers start from 1 and do not include zero.

Front

Classify the number 0.04769165821735......

Back

Irrational

Front

Which of the following is a set of natural numbers? 0,1,2,3,4... or 1,2,3,4... or -3,-2,-1,0,1,2,3... or 1/2, 1/4, 1/8, 1/16...?

Back

1,2,3,4...

Front

Identify the number that is NOT a perfect square: 196, 169, 121, 132

Back

132

Front

Which number has a square root that is between 7 and 8? 48, 81, 60, 36

Back

60

Front

Define rational numbers.

Back

Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero.

Front

What are irrational numbers?

Back

Irrational numbers cannot be expressed as a simple fraction; their decimal representation goes on forever without repeating.

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer.

Front

Give an example of a rational number.

Back

1/2 is a rational number because it can be expressed as a fraction.

Front

What is the square root of 49?

Back

7