Understanding Rational Numbers

What is a rational number?

• A number that is always positive

• A number that cannot be expressed as a fraction

• A number that can be expressed as a fraction with a non-zero denominator

• A number that is always negative

Which of the following is a rational number?

• Pi

• Square root of 2

• 0 divided by 1

• 1 divided by 0

What condition must be met for a fraction to be considered a rational number?

• The numerator must be zero

• The denominator must be zero

• The denominator must not be zero

• Both numerator and denominator must be zero

Which of the following fractions is a rational number?

• 3/0

• 5/1

• 1/0

• 0/0

Why is the square root of 16 considered a rational number?

• Because it is a non-terminating decimal

• Because it is a perfect square

• Because it can be expressed as a fraction

• Because it is an integer

Which of the following is a rational number?

• Square root of 3

• Square root of 9

• Square root of 5

• Square root of 7

What type of decimal is considered a rational number?

• Non-terminating and non-recurring

• Terminating

• Non-terminating and recurring

• Both terminating and non-terminating recurring

Which of the following decimals is a rational number?

• 0.101001000...

• 0.999...

• 0.123456...

• 0.333... (repeating)

Why is zero considered a rational number?

• Because it is undefined

• Because it is a negative integer

• Because it is a positive integer

• Because it can be expressed as 0/1

Which of the following statements is true about rational numbers?

• Rational numbers cannot be zero

• Rational numbers cannot be negative

• All rational numbers are integers

• All integers are rational numbers