Classifying Real Numbers: Integers, Rationals, and Irrationals

What type of number is defined as having no fraction or decimal part?

• Irrational number

• Rational number

• Integer

• Complex number

Which of the following is a characteristic of a rational number?

• It involves Pi

• It can be written as a ratio of two integers

• It cannot be expressed as a fraction

• It is a non-terminating, non-repeating decimal

Which of the following is NOT a category of irrational numbers?

• Perfect squares

• Square roots of non-perfect squares

• Numbers involving Pi

• Non-terminating, non-repeating decimals

What is the classification of the number 6.51?

• Rational number

• Complex number

• Integer

• Irrational number

Why is the square root of 42 considered an irrational number?

• It is a perfect square

• It can be expressed as a fraction

• It is a non-terminating, non-repeating decimal

• It is an integer

What type of number is -4?

• Rational number

• Irrational number

• Both rational and integer

• Integer

Which of the following is a rational number?

• Square root of 40

• Square root of 49

• Pi

• 2 Pi

What is the classification of the number 2 Pi?

• Integer

• Complex number

• Rational number

• Irrational number

Why is 4.59 repeating considered a rational number?

• It is an integer

• It involves Pi

• It can be expressed as a fraction

• It is a non-terminating, non-repeating decimal

Which of the following numbers is an integer?

• 2 Pi

• Square root of 49

• Square root of 42

• 6.51